Robert Downey Jr. gain more than 20 pounds of muscle in five months to look like he "had the power to forge iron". "Iron Man" was globally released between April 30 and May 3, 2008, grossing over $585 million worldwide and receiving rave reviews which cited Downey's performance as a highlight of the film. By October 2008, Downey had agreed to appear as Iron Man in two "Iron Man" sequels, as part of the Iron Man franchise, as well as "The Avengers", featuring the superhero team that Stark joins, based on Marvel's comic book series "The Avengers". He first reprised the role in
Robert Downey Jr. reference to Gibson's DUI. Gibson said of Downey: "He was one of the first people to call and offer the hand of friendship. He just said, 'Hey, welcome to the club. Let's go see what we can do to work on ourselves.'" In October 2011, Downey was being honored at the 25th American Cinematheque Awards; Downey chose Gibson to present him with his award for his life's work, and used his air time to say a few kind words about Gibson and explain why he chose him to present the award. Downey maintains that he has been drug-free since July