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. beliefs as "Jewish-Buddhist", and he is reported to have consulted astrologers. In the past, Downey has been interested in Christianity and the Hare Krishna movement. In a 2008 interview, Downey stated that his time in prison changed his political point of view somewhat, saying, "I have a really interesting political point of view, and it's not always something I say too loud at dinner tables here, but you can't go from a $2,000-a-night suite at La Mirage to a penitentiary and really understand it and come out a liberal. You can't. I wouldn't wish that experience on anyone else, but