Batman Beyond (2016) #37

In the wake of his fateful showdown with False Face and the Splitt, the Batman of tomorrow has gone missing! With the Caped Crusader AWOL and Neo-Gotham facing the threat of one of the deadliest villains it's ever known, a new hero is needed! Bruce Wayne will turn to friends both old and new in order to keep his city safe, but that won't be enough. Fortunately, a new and mysterious protector will arrive on the scene, taking flight to save the city!