Comic book readers are familiar with the world of Bronze and Modern Era comics... stories of gleaming steel metropolises populated by daring superheroes battling for truth and justice... facing down power-mad masterminds and would-be world conquerors. But unknown to the league of heroes who protect the innocent, this world has a cancer growing at its heart. A pantheon of elder gods is starting to awaken. These timeless forces of super-nature once claimed dominion over a primordial Earth... and they have returned to reclaim what is theirs. Super-powered heroes - and villains - find themselves struggling against unimaginable horror to save the planet. It is a hopeless battle. The unstoppable force of the Leviathan will collide with the immovable object of the world's most powerful superheroes in an unflinching tale of ultimate horror and ultimate sacrifice.