Iron Man 2

In this action-packed superhero sequel, billionaire inventor Tony Stark faces pressure from the government, media, and public to share his Iron Man technology, which is slowly killing him. As Russian scientist Ivan Vanko creates his own version of the suit and plots revenge against the Stark family, Stark must forge new alliances and confront powerful enemies, all while trying to find a substitute for his deadly palladium core and outdo his rival Justin Hammer in a bid for supremacy.