Absolute Batman #19

Poison Ivy proved to be just one of the many horrors within the bowels of the ARK M facility, and as Joker sets his sights on Absolute Batman, he decides to enlist the help of one of the center's most terrifying doctors, Dr. Jonathan Crane. While Bruce Wayne tries to align himself with Barbara Gordon, there's more than one alliance formed in this issue. New debuts, new villains, new arc starts here.

Characters: Batman (Earth Alpha), Joker (Earth Alpha), Poison Ivy (Earth Alpha)