Underworld Unleashed was a multi-title comic book crossover event released by DC Comics in 1995. As well as the core storyline of the three-issue Underworld Unleashed miniseries (November 1995-late December 1995), most of the issues of the DC titles published in November and December 1995 (including two in October 1995 and one in January 1996) and four one-shot issues were also part of the event.