Robert Downey Jr. arrives for the World Premiere of the film Avengers: Infinity War in Hollywood, California. Pic/AFP

Iron Man star Robert Downey Jr. says he lived through "30 years of depravity and despair" before his comeback. Addressing the audience at the screening of his forthcoming film Avengers: Infinity War on Monday, the actor, 53, referenced his battle with addiction in an emotional speech, reports people.com. "I want to talk about the past, present, and future," Downey said onstage, alongside his "Avengers" co-stars, including Gwyneth Paltrow and Chadwick Boseman.