Detective Comics #625 1990

Detective Comics #625, published in January 1991, features the debut of the villain Abattoir. The story sees the serial killer Abattoir escape from Arkham Asylum and target mayoral candidate Henry Etchison. During a political rally, Abattoir attacks, leading Batman to intervene to protect Vicki Vale. This issue also marks the beginning of Marv Wolfman, Jim Aparo, and Mike DeCarlo's creative run on the series, making it a key issue for collectors interested in the introduction of a new character and a significant creative team change.