The Marvel Comics superhero team assembles in this ambitious blockbuster from writer/director Joss Whedon. Iron Man (Robert Downey, Jr.), Captain America (Chris Evans), Thor (Chris Hemsworth), Black Widow (Scarlett Johansson), Hawkeye (Jeremy Renner), and the Hulk (a motion-captured Mark Ruffalo) must combine their strength to stop the evil Loki (Tom Hiddleston) and his alien army from conquering Earth. With Stellan Skarsgård, Clark Gregg, and Samuel L. Jackson as Nick Fury. 143 min. Widescreen; Soundtrack: English; audio commentary; deleted scenes; featurettes; bonus digital copy; more. Three-disc set. Blu-ray 3D requires a 3D television, a 3D Blu-ray player, and special glasses to reproduce the original theatrical experience.