The Marvel titles in Disney's World of Reading line are designed to offer reluctant readers, specifically boys, books that they'll want to read by featuring characters they love. The series is broken into three levels that invoke the rigorous training courses that their favorite Marvel heroes must engage in to perfect their superpowers. In reading this series, boys will perfect their own power to read. In this 48-page Level 3 Reader, the X-Men most band together with their future selves in order to save the world!