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. over US $4.9 billion, with worldwide grosses surpassing $11.6 billion, making Downey the third highest-grossing U.S. domestic box-office star of all time. Downey was born in Manhattan, New York on April 4, 1965, the younger of two children. His father, Robert Downey Sr., is an actor and filmmaker, while his mother, Elsie Ann (née Ford), was an actress who appeared in Downey Sr.'s films. Downey's father is of half Lithuanian Jewish, one-quarter Hungarian Jewish, and one-quarter Irish descent, while Downey's mother had Scottish, German, and Swiss ancestry. Downey and his older sister Allyson grew up in Greenwich Village. As a