Batman Legends Of The Dark Knight #6 1990

Batman: Legends Of The Dark Knight #6 begins the acclaimed 'Gothic' storyline, where a mysterious serial killer named Mister Whisper resurfaces from Gotham's past, targeting the city's organized crime families. This issue sees the mob, desperate and afraid, turning to Batman for protection against the enigmatic killer. It is notable to collectors as it features the first appearance of Mister Whisper. Additionally, this issue marks a unique moment where the Bat-Signal is altered for the first time, adding to its historical significance within Batman lore.