Batman: Arkham Unhinged — DC Comics
Issue: #12
Learn how the Abramovici conjoined twins made their way from a small Siberian village to a traveling freak show, and finally to the depraved insanity of ARKHAM CITY. What role did Joker have in their journey to Arkham City...and also their horrific separation?
Creators: Derek Fridolfs, Travis Lanham, Juan Jose Ryp, Sarah Gaydos, Andrew Elder, Jim Chadwick, Dave Wilkins
Characters: Batman, Dick Grayson, Joker, Harley Quinn, Penguin, Mr. Zsasz, Hush, Mister Hammer, Sickle