Robert Downey Jr. returns as billionaire Tony Stark in this thrilling sequel to the worldwide blockbuster. Now that his superhero secret has been revealed, Tony's life is more intense than ever. Everyone wants in on the Iron Man technology, whether for power or profit...but for Ivan Vanko ("Whiplash"), it's revenge! Tony must once again suit up and face his most dangerous enemy yet, but not without a few new allies of his own. Co-starring Mickey Rourke, Sam Rockwell, Gwyneth Paltrow, Don Cheadle, Scarlett Johansson and Samuel L. Jackson.