Collects Monsters Unleashed (2017/03) #1-5 and Mosters Unleashed (2017/06) #1.
*It's all hands on deck across the Marvel Universe to deal with the giant-size fallout! But who are these Leviathons that have been unleashed across Earth? Who controls them? And can even the combined forces of the Avengers, Champions, Guardians of the Galaxy, X-Men and Inhumans stop them before they trample everything into dust?! Amidst this chaos, a puzzle appears -- and Elsa Bloodstone is just the person to pick up the pieces. Will she find the answer -- or hasten the apocalypse?! And what does this all have to do with a boy with a wild imagination? Marvel's mightiest monsters are unleashed in an event so big it redefines the word! Plus: The first fantastic issue featuring Marvel's newest heroes Kid Kaiju, Aegis, Slizzik, Scragg, Hi-Vo, and Mekara...now teaming with vampire-hunter Elsa Bloodstone! *Source: Back Cover