AN: Chapter 4! Sorry it took a while (if around two weeks is a while). I just got, not exactly writer's block, but writer's block in the details part of it. Anyway, I hop you enjoy!

Disclaimer: I own nothing.

Timeline: Avengers: right after the Avengers movie, so after they save NYC.

Before: Dean and Sam went to England to investigate a demon in Sherlock Holmes, but they stayed to kill vampires when they met Buffy, Spike and Angel, who are also concerned as to what's going on. They research and find a blue box and apparently ageless people. They naturally think gods. They spot the box and follow the people to the same warehouse Sherlock and the vamps were in. The gods see them and...

Chapter 4: The Avengers Have the Phone Box

"What?" was all Dean could manage. Even though he shouldn't have been, he was surprised by this turn of events.

"I said," The redhead moved closer, each step more menacing than the last. "who are you, and why are you following us?" Sam pulled a small gun out of his pocket, and pointed it at the people he believed to be gods. In response, the blonde grabbed the girl's wrist and pulled her back, while Mr. Bowtie stood in front of them both protectively.

"We're asking the questions here." Sam said, to which Dean tried to hide a smile. "The first one is, what are you?"

"What do you mean?" The redhead responded, bewildered. "What are you?"

"You're not humans, I know that. Whatever you were talking about back there wasn't human."

"I don't know what you mean." The girl insisted, quite unconvincingly. At this point, the man in tweed stepped forward.

"What does the name Doctor mean to you?" he asked.

"What?"

"I'm the Doctor." Neither Sam nor Dean showed any recognition or reaction to the name. "No? Nothing?"

"Doctor what?" Dean asked. Sam still held the gun, but lowered it a little, so that if he was to shoot, one of them would get a bullet in their leg.

"Wait. No… no. Sam? Dean?" the Doctor asked, a small smile growing on his face.

"Who are you?" Sam answered, raising the gun again.

"Oh, you are, aren't you? Brilliant! The Winchesters! Ha! How have you been? How's that friend of yours? The angel? What was his name…"

"Who are you?" Dean asked, his voice hard and demanding.

"You're very young. Wait, what year is this?" the Doctor asked, more relaxed than before, as though he was unbothered by the gun aimed at him and his friends.

"2008." Dean said tentatively. "And once again, we ask, who the hell are you?"

"I told you. I'm the Doctor, and this is Amy and Rory. But, you have no idea who we are?" he inquired.

"We know that every time something funky goes on, you show up." Dean remarked. "We know that you've been spotted throughout history, but you never age. We know that there are more of you and that you all travel in a police box. I think it's fair to say we know enough."

"So, what do you think we are?" This time, the Doctor asked more out of curiosity than anything.

"Gods." Sam said with as much confidence as he could muster which, as the conversation went on, grew smaller and smaller.

"Really? Interesting." At this point, the redhead who went by Amy stepped forward, eyeing the brothers suspiciously.

"Doctor," the redhead asked, "who are they?"

"They're hunters!" the Doctor replied, smiling. "They hunt demons and monsters and things. In fact, they're just what we need."

"No, no no no no." Dean said. "We already have a case. It's you."

"Oh. No. Sorry." The Doctor said quickly. "We're not a case. Let me explain. You see, these two, Amy and Rory, they're human, like you two. I just, sort of, picked them up."

"You make us sound like stray dogs." Amy commented.

"I- well, I'm not so human, but I'm nice. I promise." The Doctor continued. "I'm not a god. I'm a… I'm a timelord. We're time travelers, but we're good. Well, I'm good… It's just me now. I'm the last timelord." Then, for a moment, he was silent, as he stared at the ground, perhaps in remembrance.

"So, you're not evil?"

"No." Amy insisted. "We stop the evil." She said, as if it was supposed to be impressive.

"Yeah, you're a little behind on the times." Dean said sarcastically. "It's not as impressive anymore. Everyone stops evil now."

"Yeah, well has everyone saved a Starwhale?"

"We killed the Seven Deadly Sins."

"We stopped the Daleks."

"We stopped a Wendigo."

"We killed hundreds of Weeping Angels… at once."

"We've killed gods… lots of them."

"We went to the center of the Earth."

"We killed vampires."

"In Venice? Though, really those were fish things…"

"We stopped killer clowns. No, seriously."

"I saved Vincent Van Gogh."

"We reclosed the gates of hell."

"I flew the TARDIS."

"This guy," Dean said, pointing at his brother, "was a psychic."

"This guy," Amy said, pointing at Rory, "was plastic for 2000 years."

"I died!" Dean said, thinking he could not possibly be beaten with that.

"So have I." Rory added, not exactly competitively, but more as a side note, to which Dean looked at him curiously.

"How'd you come back?" he asked.

"Which time?"

"How many times have you died?"

"Twice, technically. The second time I turned into a Roman." Rory replied.

"Naturally." Dean looked at him longer.

"What about you? How are you still here?" Rory asked.

"The most recent time, Sam here woke up."

"So it was just a dream?"

"No. It was Tuesday. I died. He woke up. It was Tuesday. I died. He woke up. It was Tuesday. I died. He woke up. Get the picture?"

"How many times did that happen?"

"Over a hundred."

"How'd you die?"

"Uh, gunshot, axe, car, choking, slipping in the shower, piano, electrocution, poisoning, mauled by a dog, archery, among others."

"Wow." Was all Rory said.

"Yeah."

"So!" the Doctor interrupted. "What brings two American hunters to an English factory?"

"We were hunting a demon. He possessed a genius."

"Really? Who?"

"Some guy with a short roommate."

"Sherlock Holmes?"

"How'd you know?"

"Oh, Sherlock! Wait, it's 2008? Oh, he hasn't met me yet either. That was a good day." The Doctor reminisced. Ignoring everything he just said, Sam continued.

"Why are you here?"

"There was temporal disturbance in the area. Something wasn't right, and we thought it'd be fun to look around."

"No, you thought it'd be fun." Amy corrected. "I wanted to go to the World Fair in France."

"Amy, we can't go twice."

"But, I didn't get to see a lot of it! We were underground dealing with Daleks most of the time!"

"So, this time machine of yours." Dean interrupted. "What'd you call it?"

"A TARDIS. It stands for Time And Relative Dimensions In Space."

"Yeah, we saw it. The little blue box?" In response, the Doctor laughed.

"Little? Believe me, it's not little."

"It looked pretty little to me." Dean said, aggravated.

"I'll just have to show you then." And there was some sort of mystery in the way he said that.

Back where they started, the Winchesters stood off to the side looking, frankly, unimpressed as the Doctor inserted the key into the lock on the small police box door. It turned and he pushed open the doors, then went inside. His companions followed, but Sam and Dean were hesitant.

"It looks a little snug in there for five." Dean commented.

"What?" the Doctor called from what sounded like a long way away. "Just close the door when you come in."

As Sam made to step forward, Dean grabbed his arm to stop him.

"Wait, Sam. What do we think of them?"

"What do you mean?"

"Do you trust them?"

"Not for a second. But, we have to make them think we do."

"Right. I mean, they say they're time travelers. This is all a little too 'Back to the Future' to be real."

"I don't know. Something about them just… isn't there." They both stared at the enigma in front of them.

Dean walked around to the front and looked inside. As soon as he saw the giant room inside the small box, his eyes widened.

"Son of a bitch." He muttered, staring at the high ceiling and the large space contained in such a confined space with critical eyes. "It's- it's…" Sam followed his brother inside, and his reaction was similar.

"Go on, say it." The Doctor stood inside, leaning against the console. "Everyone does." Then he whispered to Amy, "I love this bit."

"This is impossible." Sam said, and the Doctor's face fell a bit. "I mean, this is physically impossible. It goes against everything. It breaks every law of physics. It's… abnormal."

"Well that's me. Abnormal." The Doctor said with a hint of amusement on his face.

"How does it work?" Sam asked with equal parts amazement and suspicion.

"Oh, well, you see, it's, sort of, um… spacey wacey."

"Right." Sam said, uncertain.

At that moment, a man with dark hair and a small beard walked through one of the doors on the other side of the room and came down the staircase without noticing the two brothers.

"Doctor." He said. He spoke with an American accent. "The gang is getting a little hungry. We couldn't find the kitchen."

"Ah, Tony!" the Doctor responded. "The kitchen's up that staircase, all the way at the end, make two lefts, then the first right and you're there. But, no time for food now. Assemble yourselves. Bring everyone in here. Go, go, go!" With a hint of confusion, Tony left the way he came.

"Who was that?" Sam asked.

"We'll do introductions when everyone gets here."

"What about the other people we saw in those pictures. There was that guy with the ears and the blonde girl. Where are they?" The Doctor's face grew sad.

"They're not here." He said somberly. "The man, well, that's me. The girl, she… she's gone."

"What do you mean that guy was you?"

"I do this thing, where… if I'm about to die, I sort of… change. But, we're the same person." Neither Sam nor Dean fully understood, but they put the subject to rest, because at that moment, Tony came back. Behind him, an odd looking group followed. There was a very strong blonde man who looked like he just popped out of an old movie, a redhead and a man who looked like secret agents, a man with dark curly hair, and another extremely strong looking man with long blonde hair who looked like he just came from a comic book convention.

"Ah! Here they are!" the Doctor said. "Introduction time! Everyone, this is Sam and Dean Winchester. They're hunters. They hunt supernatural things." Sam awkwardly waved as the group stared at them.

"Sam, Dean, these are the Avengers. They're all… well, superheroes. This is Tony, whom you've met."

"I'm Iron Man." Tony added.

"This is Steve Rogers (the blonde from the old movie). He goes by Captain America. Then, there's Natasha Romanov (redhead secret agent). She goes by Black Widow. There's Clint Barton (secret agent #2), also known as Hawkeye. There's Bruce Banner (dark curly hair). When he gets angry, he turns into a giant green monster called the Hulk. And finally, there's Thor (convention guy). He's a Norse god." The Winchesters stared at the odd mix.

"I'm sorry." Dean said. "You're all superheroes?"

"Yes." Tony responded, to which Natasha rolled her eyes.

"And you have, like, superpowers?" he asked skeptically.

"No." Again it was Tony who answered. "I guess Mad Scientist over here has a superpower if you count uncontrollable rage as a power. And the Captain over there had a whole lot of go-go juice pumped into him back in the 1940s, so he's not what you'd call natural."

"And what about you? What's that glowy thing in your chest?" Sam rolled his eyes at his brother's tactlessness.

"It stops shrapnel from entering my heart. But, it doesn't give me super strength or anything. My suit is of my own creation."

"Interesting." Dean commented.

"But, you two." Natasha started, stepping forward until she stood a few feet away from the couple. "What exactly do you hunt?"

"Oh, you know, the usual." Dean said with a slight smirk. "Vampires, werewolves, demons, ghosts, etc."

"Those things really exist?"

"Oh yeah. There are lots of 'em, everywhere." This time, Natasha didn't respond, but simply eyed him curiously. Then, she turned away.

"Doctor," she said, "did you figure out what was going on? Can we leave now?"

"Not quite yet." The Doctor replied. "It seems it's going to be more complicated than I thought. Not only is there something alien going on, but apparently there's something supernatural as well." Sam gasped suddenly.

"What?" Dean asked him.
"Buffy. We forgot about Buffy. Doctor!" The Doctor walked over to them. "We have some friends. We need to go see them."

"Friends? What friends?"

"They're hunters like us." Sam explained. "Well, they're not exactly. But, they know about supernatural stuff."

"Slayer is more like it." Dean muttered under his breath.

"What?" the Doctor questioned. "Slayer? As in Buffy?"

"Yeah. You watched the show too?"

"Show? No, I met her! Though, 2008… yeah, she met me too! Blimey, these timelines are confusing. Okay! So, where is she?"

"Um, well, right now she's waiting for us with Spike and Angel. We kind of need to get to her now. Well, about twenty minutes ago actually. She's going to be pissed."

"Not a problem!" the Doctor exclaimed. "Twenty minutes? I can do twenty minutes! Where is she?"

"She gave me this address." Dean handed the Doctor a slip of paper.

"Perfect! Hold on tight!" He ran to the console, dodging all the people in the room, and flipped, pressed and pulled this and that, until finally the whole room jerked and shook.

"I guess this is what time travel feels like!" Dean said to his brother.

"Yeah, but I'd rather we weren't a part of it. We're already too mixed up in this as it is. We shouldn't take any more risks until we know more about this guy."

"Well, he seems more than willing to share."

On the other side of the room, next to the console, Amy came up next to the Doctor.

"Doctor, do you trust those boys?" she said, eying the Winchesters. The Doctor responded without ever looking away from the screen.

"At the moment, no. Right now, they think I'm dangerous, and are deciding whether or not to kill me. We have to convince them not to." At this point, he turned to look Amy in the eye. "But, I know them from the future, and then, I absolutely trust them. So, Amelia, you have to trust me." He took her face in his hands.

"Okay." She said, smiling. " The tall one is pretty cute."

"No." The Doctor said quickly. "Don't. Just… don't." Amy looked at him, bewildered, but said no more. At that moment, the room stopped shaking. The Doctor ran over to Sam and Dean.

"You'd better go out there first." He said quietly. "Buffy's likely to have seen the TARDIS, so she'll be on her guard, and she won't kill you two, so… best of luck."

The Winchesters opened the door and, after taking a second to get used to the fact that they had moved, they looked around. They were in a small, empty room that looked like it was probably a flat before whoever lived there moved out fifty years ago. The wallpaper was old and yellowing, and the air had a flat, musty scent. Buffy, however, wasn't standing in sight. Then, something from behind jumped on Sam and knocked him over.

Spike stood up, and held out a hand to Sam.

"It's just the bloody brothers." He called, though Dean couldn't see to who. Buffy and Angel stepped out from behind the TARDIS, each with a weapon in their hand.

"What the hell?" Buffy asked.

"You're one to talk." Sam said, standing up.

"What is this thing? It just appeared right in front of us."

"It's… a long story." Dean walked over to lean against a wall.

"It's a time machine." Sam explained. "We met a time traveler of all people. He's got a gang inside."

"And you just trusted a time traveler you just met? Do you know how dumb of an idea that is?"

"No, we don't trust him. And we're not going to, unless he gives us a reason to. But, it seems like he knows that there's something going on here. Whether he's the cause of it, I can't say."

"And he's in there right now?" she asked.

"Yeah."

"So why don't we send in our friendly vamps to check 'em out?"

"Because there are humans in there."

"What? You said they were time travelers."

"No, just one time traveler. And a few superheroes, maybe. I'm really not sure what's going on." Sam sighed, and Buffy stared at the floor, thinking.

"Well, why don't we go meet them." She pushed open both the police box doors and strolled inside. Internally, she was probably shocked at the major size difference between the inside and the outside of the box, but she did a very good job hiding it.

"Who's in charge here?" she shouted, drawing everyone's attention.

"That'd be me." The Doctor emerged from the crowd to face the Slayer. Upon seeing him, Buffy's face immediately brightened.

"Doctor?" she asked, a small smile on her face.

"Buffy! You remember me! Hello again!"

"How could I not? You saved me from those… whatchamacallits."

"The Silurians! I remember."

"Wait," Amy cut in, "she met the Silurians? We met the Silurians."

"Yes, Amy, some things I have met more than once." He said with amusement.

"So," she continued, this time to Buffy, "is it just you here?"

"No." Buffy answered. "I have two vampires outside. Who are you?"

"I'm Amy. Amy Pond. The Doctor must've mentioned me." Buffy only shrugged.

"You didn't mention me?" Amy asked the Doctor, annoyed.

"Amy, I was kind of busy not getting killed!" he said defensively.

"You could've mentioned me. I mean, at all."

"So sorry. You know what, next time, you'll come with me." Amy pouted, but gave in.

"So, you mentioned vampires, yeah?" She asked Buffy.

"Yeah. Two. Outside. Fangs and all."

"Like real vampires?" she asked excitedly.

"Last time I checked." Buffy replied with a chuckle. "You want to meet them?" Amy looked to the Doctor for approval.

"Oh, fine." He resigned. "But, I'm warning you. Don't… start anything." Amy smiled, victorious, while Buffy stuck her head out the door and called her friends inside. Sam and Dean followed as Spike and Angel entered the deceivingly small box.

"Bloody hell." Was Spike's reaction.

"Holy crap." Was Angel's.

They both stared around the large room.

"It never gets old." The Doctor muttered, smiling.

"Spike, Angel, this is Amy." Buffy gestured to the redhead. "Amy Pond, Angel and Spike."

"Hello." She said, a sultry look in her eye.

"Amy." The Doctor warned.

"Oh, hush." She looked both vampires up and down.

"Dean, what are we going to do?" Sam asked. The brothers still stood by the door, observing the others. "If Buffy trusts him, does that mean we should?"

"I don't know, Sam." Dean answered, a little agitated. "We've never dealt with time travelers before. They're just one of those things that don't exist, like… God, or… fairies."

"Maybe we should hear what Buffy knows about him first." Sam offered. They walked over to where Buffy stood with Spike and Angel.

"So, who are they all, do you think?" Tony asked Steve, on the opposite side of the room. He was eating blueberries out of a plastic container.

"I don't know. I'm still not past the existence of time travel."

"You're one to talk. You're from the 1940s."

"Well, yeah, but I lived through the other decades."

"True."

"Buffy, can we talk to you for a sec?" Dean asked.

"Sure." She said, turning to face them. "What's up?"

Before Dean could respond, the room was quieted when a man with brown hair and a long blue coat burst through the doors, bloody and panting. Before he could say anything, he collapsed face down, motionless. The Doctor ran to his side. He flipped the man over but, upon seeing who it was, sighed and stood up. Amy also ran to the man and knelt down.

"Doctor, his pulse is weakening. Doctor!"

"Amy, just leave him."

"No." She looked at him, bewildered.

"Amy, trust me. You can't do anything." Amy checked the man's pulse again, and she stared at him.

"He's dead." She said quietly.

AN: And there you have it. Most of you have probably already guessed who it is. But, I'll leave the rest in suspense.

Review, like, enjoy!

-M.