Following the mixed reaction for "Batman v Superman: Dawn of Justice," Warner Bros. is hoping to rebound with this look at some of DC Comics' most notorious villains, who team up for a mission that no one thinks they will survive. With the hype around Jared Leto's performance as The Joker and a cameo from Batman (Ben Affleck), there's a lot riding on this movie, by director David Ayer ("Fury"), being a success.