A/N: Okay, so I know that this may be a little late, I mean for most places Halloween is already over and even in the States it's ten o'clock, but the wonderful thing that my brain is came up with this idea an hour ago so whether it is late or not, I'm doing it and you can like it or you don't it's all the same to me. I'm also doing possibly a oneshot or multi-chaptered fic about the Avengers and their costumes so watch out for that one too. Sorry if you don't want to read Halloween themed fics since it will be in November by the time anyone reads this but I just refuse to let this idea go simply because it isn't the right time. So, long author's not aside, I hope you like it and will review if you do. I also know that the title is really bad but I'm not very good at titles, so if you have a better idea for a title, PM and I'll see if I will change it.

Disclaimer: The Avengers, any possible references made to other films and other copyrighted things do not belong to me but their respected owners. I also do not have rights to the holiday Halloween, but I had a kickA Captain America costume and definitely benefitted this holiday!

Tony Stark sat in his lab, staring at the clock on the wall in anticipation. He had been planning this event for months and now it was so close he was beside himself in glee. The clock read 11:59 and Tony counted quietly to himself the seconds until his evil mayhem would begin.

The second hand finally finished its circuit across the clock, the Iron Man mask in the background blinking the beginning of a new hour, and more importantly, a new day. It was now officially October 31, the day of All Hallow's Eve.

"Let the games begin."

...

Little did Tony know that while he was counting down the seconds until the new day a certain assassin was as well. Clint looked at the digital clock next to his bed, watching as the glowing red numbers shifted from 11:59 to midnight.

Clint gave a grin and jumped from his bed, landing nimbly on his feet. He had a big grin as he quietly skirted out of his room, his plans for the day quickly beginning to form.

...

The two tricksters had been at it for hours, rigging up various types of pranks and frights all around the tower, unaware of the other's presence, that is until about three in the morning.

Tony snickered as he quietly crept his way to Clint's room, a box of shriveled shrunken heads in his hands, planning on stringing them up around the archer's bed. That oughta get quite a shout from the usually cool minded assassin.

Clint gave a malicious grin in the dark as he held a ransom not and a videotape of Pepper supposedly being tortured and killed. She had helped him act it out later that week and although it was a dark prank Clint knew it would get a rise out of the billionaire, and seeing Tony lose his cool was always humorous to watch.

Both men were so busy thinking about each of their diabolical plots for the other that they didn't notice a dark figure approaching them until Tony and Clint collided into the other, the shrunken heads falling to the ground and both men letting out less than masculine yelps.

Both quickly recovered and after a split second of fear and composing themselves, Clint managed to see in the semidarkness and recognized the stature of Tony.

"Stark? What are you doing up?" clint stage-whispered, looking down at the ground around him. "And why do you have a box of shrunken heads?"

Tony spluttered, trying to think of an excuse for having a box of shrunken heads. Unable to think of a witty retort, he decided to go on the offensive.

"Well why are you up, Barton? It's three in the morning, why isn't the Hawk in his next catching a few z's?" He knew the comment was weak but he had used all his creativity on these pranks.

The two squared off of one another, sizing the other up. Both of the men's eyes widened as they realized what the other was up to.

"You're pranking the team!"

"You're gonna scare everyone!"

Another moment of silence and the two let out quiet laughs, smothering the sounds with their hands. Clint clapped Tony on the back, wheezing from trying to laugh quietly.

"Okay, okay, we are both maniacal geniuses, agreed? I'll stay out of your way if you stay out of mine. Deal?" Clint asked his fellow prankster.

Tony nodded, standing up and taking a deep breath. "Deal."

"Wait...," Clint said as they began to go their own ways. Tony stayed where he as on the ground, one of the shrunken heads in his hands. "Two things. One, why can't I see your Arc reactor. And two, were you going to put those in my room?"

Tony sighed, knowing he had been caught. Deciding to answer the questions in order Tony began to unwrap a large amount of black cloth, duct tape, and masking tape around his chest, the reactor growing brighter as more material was removed. Clint nodded at the small gleam from Tony's chest, nodding approvingly as he began to wind the cloth back around his shirt.

"Resourceful. Now the other thing."

Tony gave a small laugh, dropping the head and leaving it to roll on the ground.

"C'mon, you know you had something in store for me too. What's on that disk you got there?"

All Clint could do was nod, explaining how it was a tape of Pepper getting tortured and the ransom note he had made. And he was right in thinking that Tony would be pissed with him, but they both were too busy trying to move on a tight schedule to focus on the other, quickly moving away and resuming their plans of mass pranking.

A/N: So, yeah the first chapter is a little slow and short, but I'm already writing the next chapter and it should be uploaded pretty soon after this one, like right after but I wanted to give you guys a teaser first. So please, review it if you liked it, review it if you don't. Thank you people of the internet for taking time out of your day to read this.