Underworld Unleashed: Batman - Devil's Asylum — DC Comics
Issue: #1
As Underworld Unleashed engulfs the DC Universe, Neron's corrupting influence has intensified the madness and evil already concentrated within the walls of Arkham Asylum. Into this deadly mix comes a new inmate who has poisoned the Asylum's other residents, and the antidote carries a price only Batman can pay...with his soul!Notes: Ranked #90 in Wizard Magazine's list of "100 Best Single Issue Com...
First appearances: Kryppen the Poisoner, Bradbury
Creators: Scott Peterson, Rick Burchett, Alan Grant, Brian Stelfreeze, Darren Vincenzo, Bill Oakley, Dave Taylor, Linda Medley
Characters: Batman, Jeremiah Arkham, Poison Ivy, Two-Face, Mr. Zsasz, Amygdala, Riddler, Cornelius Stirk, Neron, Julie Caesar, Kryppen the Poisoner, Bradbury
Story arcs: Underworld Unleashed