Iron Man 2 is the upcoming 2010 superhero film, based on the Marvel Comics fictional character Iron Man. The film is directed by Jon Favreau, with Robert Downey, Jr. reprising the title role. Starring: Robert Downey, Jr.,Gwyneth Paltrow,Don Cheadle,Scarlett Johansson,Sam Rockwell,Mickey Rourke,Samuel L. Jackson