Superman #25/1981

In "Der Maulwurf," Batman delves into a series of mysterious murders, tracing the clues to a notorious escaped convict known only as the Maulwurf—once a master of underground escapes, now transformed into a monstrous creature by experimental chemicals. Written by Gerry Conway and Roy Thomas, with moody, atmospheric art by Gene Colan and Adrian Gonzales, this 1981 classic blends crime thriller with grotesque sci-fi horror, all rendered in striking colors by Adrienne Roy. The cover by Jim Aparo captures the eerie tension of the story with a chilling, shadow-drenched image of the creature emerging from the earth.