Sci-fi action adventure sequel. Robert Downey Jr. reprises his role as Tony Stark, the billionaire industrialist also known as armoured superhero Iron Man. With the world now aware of his dual identity, Stark faces pressure from the government, the press and the public to share his technology with the military. With Pepper Potts (Gwyneth Paltrow) and James 'Rhodey' Rhodes (Don Cheadle) at his side, Tony fights to protect his suit by forging new alliances - and confronting powerful new enemies. Sam Rockwell, Scarlett Johansson and Mickey Rourke co-star.