During a chaotic battle with Klaw and Screaming Mimi, a fractal's cosmic power turns the Hulk into the Gray Hulk. While Falcon and the Wasp babysit this unlikable, brainy Hulk, the Squad chase down the Lethal Legion in a battle to save Super Hero City.

When a bratty 3-year old girl wears a fractal tiara, she gains terrifying power over reality itself. Mayhem reigns for heroes AND villains. But the Heroes For Hire are on the case to help the Squad find her father and stop Doom's plan to use this chaos to his advantage.