After breaking out of jail using a special laughing gas, the Joker and Catwoman plan their next dastardly crime. They are now going to utilize the gas to throw Gotham City into chaos! Guest starring Batgirl.
Paul Dini, Ed Brubaker, Tom King, Will Pfeifer, Ann Nocenti, Mindy Newell, Ram V, Chuck Dixon, Jeff Parker, Cameron Stewart, Mikel Janin, Tula Lotay, Emanuela Lupacchino, Jim Balent, Robson Rocha, Fernando Blanco, Kelley Jones, Pia Guerra, Tim Sale, Lee Garbett, Steve Rude, Jonathan Case & Ty Templeton
Amanda Conner, Mark Russell, Dan Didio, Jeff Parker, Marc Andreyko, Tony Bedard, Howard Chaykin, Christopher Sebela, James Tynion IV, Jimmy Palmiotti, Howard Porter, Ben Caldwell, Ariel Olivetti, Pier Brito, Scott Hanna, Rick Leonardi, Phil Winslade & Steve Lieber
