You've been cordially invited to the insane parade! That is, if you'd like to venture inside the walls of Arkham City with the likes of Joker and the Penguin...who just happen to be carrying on a riotous years-long feud.
Chris Duffy, Terrance Griep Jr., Michael Kupperman, Bob Fingerman, Earl Kress, C. Martin Croker, Robbie Busch, Scott Neely, John Rozum, Sholly Fisch, Georgia Ball, Paul Kupperberg, Derek Fridolfs, Ivan Cohen, Embla Malmenlid, Ivan Brunetti, Ned Sonntag, Tim Harkins, Joe Staton, Vincent Deporter, Robert W. Pope, Leo Batic, Dario Brizuela, Fabio Laguna, Walter Carzon, Scott Jeralds & Randy Elliott