How will the Marvel Universe die and who shall be its executioner? There is only one real answer — Thanos! At the end of all creation, the Mad Titan sits upon his throne, a billion blighted worlds at his feet. But his great life's work is still not finished. There is one being who still alludes him, a last foe to defeat before he can finally win the hand of Lady Death. To achieve this ultimate victory he sends forth his herald across the depths of time and space to summon the one being who can help him.