Detective Comics #622 1990

Detective Comics #622, published in October 1990, initiates the three-part 'Demon Within' storyline. This issue is notable for its 'comic within a comic' narrative, where Alfred presents Bruce with an unauthorized Batman comic. This internal story features Simon Petrarch, a new, more violent Batman who makes a deal with Lucifer and kills his adversaries. Concurrently, a serial killer in Gotham begins mimicking the fictional Batman's methods, attempting to frame the real Dark Knight. The issue also features a distinctive cover by Golden Age artist Dick Sprang.