After the Avengers are overtaken by a zombie plague, a desperate group of survivors discover the key to bringing an end to the super-powered undead, racing across a dystopian landscape and risking life and limb to save their world.

John Constantine wakes up in the eerie House of Mystery with no recollection of how he got there. Fortunately, Zatanna and his friends are all there. Unfortunately, they have a bad habit of turning into demons and ripping him to shreds, over and over again!