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When Tony Stark tries to jumpstart a dormant peacekeeping program, things go awry and Earth's Mightiest Heroes, including Iron Man, Captain America, Thor, the Incredible Hulk, Black Widow and Hawkeye,...
- Directors: Joss Whedon
- Writers: Joss Whedon, Stan Lee (based on the Marvel comics by), Jack Kirby (based on the Marvel comics by)
- Stars: Aaron Taylor-Johnson , Anthony Mackie , Chris Evans , Chris Hemsworth , Cobie Smulders , Don Cheadle , Elizabeth Olsen , Hayley Atwell , James Spader , Jeremy Renner , Mark Ruffalo , Paul Bettany , Robert Downey Jr. , Samuel L. Jackson , Scarlett Johansson