War of the Three Worlds

The Doctor, The Avengers, Finn and Jake find a mysterious time leak, when The Doctor jumps into Ooo, he works with Finn and Jake to get back to the TARDIS, but when three enemies of The Doctor's try to claim the three worlds, The Doctor, Finn, Jake, Iron Man, Cap, Thor, Nick Fury, Hulk, Hawkeye and Black Widow team up to stop them. THREE WAY CROSSOVER!