"The Joker War" targets Barbara, as an era of Batgirl comes to a close! Why is Barbara in the hospital, and what is James Gordon Jr. doing here? After an encounter with The Joker leaves Barbara temporarily disabled, Babs is determined to find the technology she needs, but her journey's cut short when a redhead-serial killer is on the loose! Will James Jr. prove to be the changed person he claims to be? Plus, Ryan Wilder, The CW's new Batwoman, makes her comic book debut! Collects Batgirl #45-50.