Rocksteady redefined the superhero genre with their Batman games. Both Arkham Asylum and Arkham City sold big and earned massive amounts of praise through the gamer community. The next game off Rocksteady’s gilded plate looks to be a prequel to the current games, reaching back to Batman’s first encounter with the Joker. While an interesting choice, it does bring up a question. Mark Hamill has been trying to retire from playing the Joker for some time, as the challenging voice has been damaging his health, and he might have succeeded. So how will Rocksteady deal with a new Joker? Check out the fantastic video in the article to see Hamill in action. GameSpot has the story.