Produced by Marvel Studios and directed by Joss Whedon, The Avengers brings together characters including Iron Man, Captain America, Thor, and Black Widow. The film stars Robert Downey Jr., Chris Evans, Scarlett Johansson, and Chris Hemsworth. It is based on the Marvel Comics team and is part of the Marvel Cinematic Universe.

Från IMDB:
Earth's mightiest heroes must come together and learn to fight as a team if they are going to stop the mischievous Loki and his alien army from enslaving humanity.