"I got no empathy from Michael at all... He'd be like, 'You young guys, you got it easy. They had to glue my suit onto my face and my back still hurts... They had to pry it in there and they had a wooden stick in there'. He just went on and on. I was like, 'Michael, this was like 30, 40 years ago. You've gotta let this go'." RoboCop star Joel Kinnaman's co-star Michael Keaton, a former movie Batman, had no costume tips for the new action hero.