Well, in a fascinating reversal of expectations from The Dark Knight, it turns out these scars weren't self-inflicted, as might have been the case with Heath Ledger's iconic take on The Joker.

“It’s like ‘Phantom of the Opera,’” Reeves said in the interview. “He has a congenital disease where he can’t stop smiling and it’s horrific. His face is half-covered through most of the film.” “It’s ...