Iron Man 3 | Behind-The-Scenes In a throwback to the January/February 2012 issue of Men’s Fitness magazine, Iron Man star Robert Downey Jr. commented on the physical preparations surrounding his titular role in Sherlock Holmes, the forthcoming Avengers movie, and his ‘Tony Stark’ reprisal in Iron Man 3. “I think I wanted to be able to look good and defend myself and all that stuff. I’ve always really enjoyed that genre, but I mean, It’s pretty outlandish. I’m not particularly tall or strong or f