Thirty years ago, on a land where the course of history has evolved in a very different way, a billionaire vigilante named Ozymandias tried to save humanity from an imminent nuclear war by designing a terrible machination... and succeeds. But, having been revealed, the latter had to flee and now tries to find the only being able to restore a balance on his planet: Dr Manhattan, an omnipotent superman. Only one problem is available to him: Dr Manhattan has left his dimension to visit that of the League of Justice and interfere with the course of events, manipulating without their knowledge the heroes of this universe. But for Ozymandias, this challenge is only another obstacle in his quest for an eternal peace for his world and its inhabitants: solved, he decides to cross the barrier between dimensions leaves to face these metahumans there. Contains the US episodes: - Doomsday Clock #1-12