Batman: Arkham Unhinged — DC Comics
Issue: #21
Freak. Reject. Loner. Sideshow attraction. Killer. Here is the tragic tale of Arkham City's most fearsome menace, the sewer-dwelling Killer Croc. Find out where he came from and how he ended up where he is today. It's an origin that's as heartbreaking as it is terrifying.
Creators: Derek Fridolfs, Travis Lanham, Travis Lanham, Darick Robertson, Gabe Eltaeb, Sarah Gaydos, Richard Clark, Jim Chadwick, Dave Wilkins
Characters: Batman, Dick Grayson, Killer Croc, Tim Drake, Mister Hammer