Vision Concept Art Robert Downey Jr. Wants To Voice Mark Zuckerbergs Real Life AI Jarvis There?s no denying that Iron Man is awesome. In the years since Robert Downey Jr. (Spider-Man: Homecoming) first began playing the superhero, Tony Stark has had a resurgence in popularity and acclaim. Yet for all the heroism displayed, there?s no denying that Iron Man is little more than just a guy in a suit. A particularly awesome suit, granted, but still just a suit.