Batman: The Dark Knight Detective — DC Comics
Issue: #4
It’s a new collection of tales from the start of the 1990s, including the four-part “The Mud Pack,” a creepy story centered around the villainous Clayface, in which Batman must enlist the help of Etrigan, the Demon! Plus, a new vigilante called Anarky debuts, and Batman attends the funeral of...the Penguin? This volume also includes “Blood Secrets,” a story co-written by comics superstar Mark Waid...
Creators: Brian Augustyn, Val Semeiks, Alan Grant, Steve Mitchell, Mark Waid, Norm Breyfogle
Characters: Batman, Etrigan, Penguin, Anarky
Story arcs: The Mud Pack