Dreadwing begins his final campaign to wrench the power of the Infinity Engine away from Ancient Gina. But to win his game, he must assemble his playing pieces: He unearths Serpentus, ruler of the Orcs of Jade; frees the imprisoned Leprechaun Princess O'Mommah; resurrects the Atlantian wizard Gyphon... and brings back Dr. Phineas J. Ex-Mortis, the deadliest foe of Earth's superheroes.