For millions of years, mankind's place on Earth was unchallenged - until five young people paved the way for a new kind of human. While students at the Xavier School for Gifted Youngsters, Cyclops, Marvel Girl, Angel, Beast and Iceman taught the world what it meant to be X-Men. These are the hidden stories of the team that laid the foundation of a mutant dynasty Collects X-Men: First Class #1-8.