Before Godzilla was king, there was another! King Caesar makes his comic book debut in a tale set thousands of years in Earth's past, in a battle that sets the stage for today's world of monsters.

With many monsters now inhabiting a new home, peace seemingly descends on Earth. Little does humanity realize that the greatest danger now lurks under the waves! Lucy and the Kaiju Watchers will have to act fast to determine the nature of the new threat!

Undersea adventure awaits! The Devonian threat has been identified, and monsters across the globe converge in the depths of the ocean! As the humans test new weapons and methods, Godzilla will be forced to face some of his most fearsome foes!

A cataclysmic monster battle for all ages! As the Devonians move their plans into endgame and humanity meets them on the battlefield, Godzilla will be the monster that determines the fate of planet! Will the new rulers of Earth bring about a reign of life... or death?

While Godzilla's disappearance has brought calm to the planet, a threat from the past is set to resurface and take back the world they once had control over. No monster is safe and no future is certain as one of Godzilla's greatest enemies prepares to return in a way nobody saw coming!

Dozens of new monsters have risen from the depth and are staking out their own territory, regardless of humanity's political borders! A war of dominance beings... will Godzilla end up on top? Collects issues #1-4.