Joker/Mask — Dark Horse Comics
Issue: #2
Overview After finding the all-powerful Mask, the Joker is transformed into Joker/Mask, and he's becoming a TV superstar while wreaking havoc all over Gotham City! Making matters even worse, Batman is nowhere to be found! Who knows how far this will go? Co-published with DC Comics.
First appearances: Jessica Platinum
Creators: Dave McCaig, Steve Dutro, Dave Land, Henry Gilroy, Ramon Bachs, Howard Shum, Matt Idelson, Ronnie Del Carmen
Characters: Batman, Alfred Pennyworth, Joker, Harvey Bullock, Poison Ivy, Renee Montoya, James Gordon, Catwoman, Harley Quinn, The Mask, Lt. Mitch Kellaway, Jessica Platinum