"Cipher Rules" features the return of the mysterious rogue from the first issue.
Superman, Green Lantern and The Martian Manhunter avert a mid-air collision over Keystone City. They join Aquaman, along with Wonder Woman and Batman to avert a nuclear disaster - a Lunvanian sub launching it's missiles.
Cipher demands the Justice League surrender to him, or he will cause a worse disaster by launching all Lunvanian missiles!
