Galactus arrives in Super Hero City to devour the Earth! The fate of the planet hangs in the balance, but all of the city’s heroes are powerless before Galactus’ omnipotence. In one last bid to defeat him, the Squad struggle to assemble the Infinity Sword – but they require cooperation from Dr. Doom. Will Dr. Doom help them? Why is Reptil the key to saving the planet? And which Squaddie will make a tremendous sacrifice to save the Earth?