Batman/Dylan Dog — Grand Central Publishing
Issue: #1
Creators: Gigi Cavenago, Giovanna Niro, Roberto Recchioni, Werther Dell'Edera
Characters: Harley Quinn, Catwoman, Batman, Joker, John Constantine, Mr. Freeze, Riddler, Killer Croc, Scarecrow, James Gordon, Groucho, Inspector Bloch, Penguin, Two-Face, Alfred Pennyworth, Bane, Man-Bat, Etrigan, Clayface (Karlo), Dylan Dog