The cataclysmic crossover between the DCU and Legendary's Monsterverse continues! The Justice League have regrouped after their initial losses and discover nefarious plans by the Legion of Doom AND the League of Assassins are underway to use the Monsters for their evil purposes. As Lois Lane uncovers truths about the monster's identities, the League also learns of a beacon that's drawing all the creatures to one location... the final battle to save Earth is about to begin!