They are the offspring of the atom, homo superior, representing the next stage in the evolutionary chain. Each individual was born with a distinct genetic mutation that revealed extraordinary abilities during puberty. In a society rife with hatred and bias, they are feared by those unable to embrace their differences. Under the leadership of Xavier, the X-Men strive to safeguard a world that fears them. They are engaged in a conflict with their former ally and friend, Magneto, who holds the belief that humans and mutants should never coexist.