When Nick Fury (Samuel L. Jackson), the director of a world peacekeeping agency referred to as S.H.I.E.L.D., encounters an unexpected enemy that threatens global security and safety, he finds himself wanting a team to tug the sector back from the threshold of disaster. Spanning the globe, a daring recruitment effort begins for Earth’s mightiest heroes. Iron Man (Robert Downey Jr.), Captain The united states (Chris Evans), The Fantastic Hulk (Mark Ruffalo), Thor (Chris Hemsworth), and two of the sector’s greatest assassins, Black Widow (Scarlett Johansson) and Hawkeye (Jeremy Renner), will have to assemble to defeat Loki (Tom Hiddleston), the darkest villain the Earth has ever known.