Like a bolt from the blue, the original five X-Men reunite - like never before! And this time, Jean Grey is in charge! Cyclops, Iceman, Angel and Beast follow her into action, bringing mutant criminals to justice and restoring a heroic sheen to their team. But how well can they do that when their new mentor is their one-time archenemy? That's right - Magneto has joined the original X-Men! And not everyone can put old rivalries aside. The X-Men encounter the new Marauders, Mister Sinister and the delights of Madripoor - but with tensions rising, can the team come together to be a cohesive force for good? Or will ulterior motives and personal quests derail the entire enterprise? At the end of the day, who can be trusted? Collecting X-MEN BLUE #1-6. Rated T+