Batman: The Long Halloween #1

Catwoman, The Joker, Poison Ivy, and The Riddler--any one of these Batman rogues may prove to be the mysterious serial killer known as "Holiday," a murderer who kills according to the calendar. And now, a still-learning Batman must uncover the killer's identity before they kill again!

Characters: Alberto Falcone, Barbara Kean, Batman, Carmine Falcone, Catwoman, Gilda Dent, James Gordon, Two-Face