The Avengers are hoplessly outnumbered and battling the Chitauri against impossible odds. The tenth regeneration of the Doctor takes Rose to see an epic battle that might end a bit differently than he remembers. In the shadows, a force waits, using the Chitauri and even Loki as its footsoldiers. (Blackhawk and Drose)

"Did you just show me a blank piece of paper?" She looked back at him, her eyebrow arched slightly. This seemed to puzzle the man for a moment before he turned to look at the blank paper for himself. "Yes. Yes, I did. It was a test actually, to see just how clever you are..." He tapped her on the end of her nose and she jerked. "I'm clever?" "Indeed..." He beamed at her, so proud.

The ultimate mash up between Pokémon,Avengers and The walking dead

COMPLETE! Loki's on the run from Thor and Asgardian hunters, Jack's on the run from the Time Agency, and the Doctor's just running as he always does. They end up travelling together, and Loki and Jack become more than companions to each other. It's going to be an interesting adventure, one that's just begun, and they'll keep running to the bitter end. Loki/Jack, Doctor/River

(Crossover with, others than written: SHERLOCK AND THE X-MEN) A girl finds out a way to travel between dimensions. She experiences the ups and downs in many of them just to discover what role she really has been playing in the universe all along, and that she has more in common with the characters than just having had watched their shows.

Nick Fury of S.H.I.E.L.D assembles a team of extraordinary superheroes to save the planet from Loki and his oncoming army... Little did he know that he is not the only one looking to protect the Earth.

When River steals the property of a certain god of mischief, she ensures that chaos will follow her, the Doctor and the Ponds into their dimension, as Loki attempts to retrieve his belongings through opening cracks in the universe. However, Loki's not the only one coming through these cracks, as a socio-path, two hunters, a sorcerer and who knows what else is tumbling through.

Once the TARDIS stole a mad man to run away with and see the universe. Over the years, her Doctor has had many companions, friends, family, lovers...all mortal, all gone. But only once does the TARDIS choose a companion of her own. (JARVIS/TARDIS)

The world needs saving, AGAIN, but this time the Avengers aren't alone. They're teaming up with The Doctor and his companions, along with hunters, FBI agents, detectives, wizards, and a few other friends. Crossover between The Avengers, Sherlock, Doctor Who, Supernatural, The X-Files, and a few others. Mild pairings. Contains Captain Jack Harkness.

After saying his final goodbyes to the Ponds, the Doctor heads back out into the universe. But the TARDIS has other plans and drops him off on a human military base. When he is taken captive, will the Doctor fight back? Or will he help the cause? *Featured on WattPad

Kairi had always loved Loki, so much more than anyone else ever could. She can't deal with her life when Loki is taken from her. She mourns for him everyday but her hope for his return slowly slips away. When Loki does return, he brings a whole new mess of a life with him. Will she follow him back into the darkness? Kairi is not Asgardian, she is a TimeLord.

A prompt from Tumblr that has been going around. I wanted to finally put a fic to the gif set. So here goes: Steve Rodgers wakes up after 70 years and the one person on his mind is no longer around. Or is he?

Three times the Doctor meets with Phil Coulson. And three times he leaves. But will Nine be too late the last time? Crossover, kind-of one-shot. Rated T to be safe.

AU Tony 'dies' at 15 because Howard fails to save him & Howard's the one who takes the roll as IronMan.After the events of New York, Loki reveals that Tony is alive & is traveling with the Doctor.Will Howard search for his son?Will his son accept him?Has the Doctor replaced Howard as Tony's father figure? Will the Doctor allow Howard near Tony again after everything thats happened?

What would happen if on one spooky Halloween night, some of our favorite characters were sucked out of their fandoms? Where will they go? What will they see? Read to find out! Fandoms Include: Doctor Who, X-Men, The Avengers, Harry Potter, Percy Jackson, Hetalia Axis Powers, & Les Miserables

Loki and The Doctor meet officially and immediatly find that they have something in common. Soon they find themselves needing each other dearly and traveling together.

AvengerWhoLock: The Avengers are fighting someone bad. They don't know who or what. So they've made a dimension canon to bring them every person in any universe who can aid them in defeating it. The Doctor's furious that they ripped a hole in the universe for their petty needs. People keep showing up out of nowhere. How many people did they bring? And who didn't they mean to bring?

The Avengers suit up for battle. They are fighting against the mighty Bilgsnipe, when a man shows up in a blue box. Loki stands in the corner, almost unnoticed. (This is a Role Play that was developed on Google . The credit for the other users writing does not go to me, it goes to them. There are more characters than in the description.)

As SHIELD consults with experts for a new base, an intruder causes complications.

The Artist is a timelord hiding in New York- and that might be the death of her. When a bus explodes during the Battle of New York and severely cripples her, she finally meets Tony Stark. But she's forced to regenerate in the Stark Tower, and he discovers her secret. Is the fact she's an alien going to be too much for a scientist like him to ignore?

The Doctor and Captain Steve Rogers. Two men who have lost everything. One day they meet and The Doctor invites Steve to move in. Maybe these two lonely souls can help each other a little.

Five times Steve rogers knew the Williams and the one time they didn't know him. When Amy and Rory leave the Doctor for the last time, they happen to land in Brooklyn. Where they meet a young Steve Rogers who is trying to enlist and serve his country. Set mainly before the events of 'Captain America' and after the events of 'The Avengers'.

The Doctor is given instructions on what to do when he encounters a specific girl. He follows those instructions and she hates him for it, or does she? The Doctor/OC Loki/OC Captain America/OC (terrible summary, actual story will make more sense, promise)

Natasha has been sent to retrieve Jack Harkness, so that she can escort him to SHIELD. But with his intense flirting, he makes it very difficult. Along the way she befriend the newly wed doctor and his companions.

It's been a very long time since River's gotten anything like a love letter.