Batman: Legends of the Dark Knight #37
Batman: Legends of the Dark Knight
This single-issue story spotlights Mercy, a by-the-books Gotham City police officer whose partner was savagely murdered by a brutal street-fighting champion. She turned to Batman, who trained her to fight. Now, she's out for vengeance--and Batman will have to enter a fighting ring to stop her!
Print Release Date
July 29 1992
Digital Release Date
January 25 2012