Humanity now faces mutants, a mysterious sub-species that is gifted with strange and frightening powers. Hidden among the population, they are feared and hated by their human cousins. As rumors and urban myths about their existence spread across the world, the US government creates its own initiative to deal with this threat: the Sentinel Project. Meanwhile two men wage a secret war for the hearts and minds of young mutants everywhere. Charles Xavier has recruited a cadre of students including Cyclops, Jean Grey and Beast, that call themselves the X-Men. But there are others out there, living in fear, struggling to deal with what they are: Ororo Munroe, Bobby Drake and another, more dangerous mutant named Logan. Simultaneously, the terrorist known only as Magneto has assembled The Brotherhood, a militant group dedicated to the overthrow of human authority. A war is on the horizon and these amazing young men and women will decide the future of all humanity! Collects Ultimate X-Men (2000) #1-6.