Robert Downey Jr. returns as Tony Stark/Iron Man in Iron Man 3. The film picks up after the events of The Avengers, with Tony suffering from panic attacks. He investigates terrorist attacks conducted by the Mandarin, but discovers the attacks were actually conducted by Aldrich Killian using a treatment called Extremis. Killian has kidnapped Pepper Potts and plans to kill the President on live TV. Iron Man battles Killian and his forces to rescue Pepper and save the President, defeating Killian with Pepper's new Extremis abilities. Tony decides to retire from being Iron Man but hints he may return.