The document provides information about the 2012 film Avengers Assemble, directed by Joss Whedon. It stars Robert Downey Jr. as Iron Man, Chris Hemsworth as Thor, Scarlett Johansen as Black Widow, Jeremy Renner as Hawkeye, and Tom Hiddleston as Loki. When Loki launches an attack on Earth, Nick Fury of S.H.I.E.L.D. decides to form a team of superheroes, including Captain America, Hulk, Thor, and Iron Man, to work together to save the world from disaster. The film had a budget of $220 million and grossed over $623 million in the US box office.