Gotham City Sirens: Division — DC Comics
Issue: #1
The Joker is back in Arkham Asylum and Harley Quinn breaks back in with him - but is she there to stand by him or destroy him? Either way, Poison Ivy and Catwoman must put aside their tumultuous past to help their wayward friend. Guest-starring Clayface and Batman!
Creators: Dave Sharpe, Janelle Asselin (Siegel), Katie Kubert, Mike Marts, Harvey Richards, Dan DiDio, Guillem March, Steve Wands, Travis Lanham, Lorenzo Ruggiero, Andres Guinaldo, Ramon Bachs, Carlos M. Mangual, Jonathan D. Smith, Raul Fernandez, Peter Calloway
Characters: Batman, Dick Grayson, Joker, Jeremiah Arkham, Poison Ivy, James Gordon, Catwoman, Harley Quinn, Penguin, Mad Hatter, Mr. Zsasz, Clayface (Karlo), Adam Hendricks, Aaron Cash, Doctor Phosphorus, Boneblaster, Alyce Sinner