Trust me. Even the Joker wouldn't joke about something like this...
http://youtube.com/watch?v=U2ZceJGhVrA
http://youtube.com/watch?v=U2ZceJGhVrA
besides batman what else does DC have?
There are over 60 heroes and villians according to the DC comics web site. So it is anyone's guess which ones they'll use for the game.