The whole enterprise is falling apart. Egos, tempers, uneasy alliances and bad attitudes are threatening the group, and failure would be catastrophic. Luckily, we’re talking about the actual team of superheroes in the Marvel Studios movie The Avengers, not the cast and crew. In this week’s issue, EW takes a deep dive into the May 4, 2012 movie that will finally unite Robert Downey Jr.’s Iron Man, Chris Hemsworth’s Thor, and Chris Evans’ Captain America — along with Mark Ruffalo’s The Incredible Hulk, Jeremy Renner’s Hawkeye and Scarlett Johansson’s Black Widow — on the big screen. We use the word “unite” loosely. “Just because they’re super heroes doesn’t mean they’re super friends,” says Renner.