With the world on the brink destruction, the Fantastic Four disbanded, the X-Men gone, and mutants hunted as criminals, an unlikely group of young heroes gather together to save tomorrow. Who or what connects Jimmy Hudson, Karen Grant, Derek Morgan, and Liz Allan, and what drives them to reach out to the most dangerous person in the Ultimate Universe, the Hulk?

"Contains material originally published in magazine form as Ultimate Comics X #1-5"--T.p. verso.