Nightwing (2016-) #40

Superman battles side by side a mysterious new super-heroine in part two of the four-part story "Strange Visitor!" Wearing the Man of Steel's "electric blue" costume, Strange Visitor has won our hero's trust by saving a woman's life. Now the heroic duo faces a threat from that woman's husband, a super-powered gangster who imagines himself to be the new god of war!