It's Superman versus Super-Bad Superman from another world in "Action Comics" #16, hitting stores from DC Comics on Wednesday, January 9:
The Man of Steel vs. the worst foe the multiverse has ever seen: Superdoom, a demon Superman from an alternate universe! With the Little Man's true identity revealed, learn more about his plan and why he hates Superman so much. And in the backup story, a spotlight on a key moment from Superman's climactic battle with the Anti-Superman Army!
Take your first peek at "Action Comics" #16 right here: