The New 52 origin of Kirk Langstrom, the Man-Bat, was covered back in Detective Comics #19, and it included his wife Francine also becoming a Woman-Bat. So to speak. As it stands now, apparently, the Woman-Bat was using Man-Bat the whole time, and Kirk's more than a little miffed about it.
So how is this strained relationship going to shake out now that it's Villains Month and the superheroes are nowhere to be found? Well, you can get a taste in Crave Online's exclusive preview of Detective Comics #23.4: Man-Bat #1, from writer Frank Tieri and artist Scot Eaton, with a cover from Jason Fabok.