“The Fall of the House of Kane” part four! Alice’s deadly plague of virus-ridden bats may have been torn from the sky, but she still roams free. Now Batman must do whatever it takes to stop her—even if that means going through her sister, Batwoman, to do it. Blood ties and betrayal wage war in a clash for control that’s been in the making since the day Kate Kane put on the cowl: Batman vs. Batwoman!