Disney announced today that a date has been set for the Avengers sequel: May 1, 2015. The sequel will see the return of Joss Whedon to write and direct the film. A series of Marvel universe movies will be released between now and then including Iron Man 3 on May 3, 2013, Thor: The Dark World on November 8, 2013, Captain America: The Winter Soldier on April 4, 2014, Guardians of the Galaxy on August 1, 2014, and Ant-Man.
via Marvel