Across the globe people begin disappearing, replaced with different but similar individuals. So where is Superman and who is this new monstrous Overman?! In order to get to the bottom of what’s happening, the Justice League will need to first take down the new villain! And what horrors are revealed in the twisted mirror room?!

As the worlds continue to bleed in and out of each other, the Justice League looks to the cosmos to learn how to stop the chaos that’s been wrought. Meanwhile, Superman’s journey through the Multiverse brings him face to face with another Man of Steel, but is this one friend or foe?