It's Not All on Superman: The Joker's Debut Will Be the Ultimate Test For the DCU and Here's Why

The upcoming DCU has a lot of hurdles to clear, but one of its biggest tests is going to be how it handles introducing the Joker. The Clown Prince of Crime has almost as many multimedia appearances as the Caped Crusader himself. But introducing the villain is something that’s going to have to be done with a lot of care.