XMen Red only had a brief run in 18, but the first issue highlighted the promise of the book Jean Grey returns to lead a new squad of XMen, and their first opponent is none other than Cassandra Nova, the evil twin of Professor X The comic is a great showcase for Jean's considerable powers, but also her leadership skillsPryorSummers and Grey fought oneonone, with Madelyne unleashing a psionic force, intending to destroy both herself and her opponents XFactor and the XMen protected each other and Madelyne was the only one affected, but as she lay dying, sheThe XMen thwarted the assassination attempt, and the Brotherhood later clashed with the XMen on other occasions, as well as the Avengers and other heroes Rogue was a member of the Brotherhood for a time but finally left to join the XMen in order to find help in learning how to deal with her superhuman powers
X Men Enemies Comic Vine