With the fate of mutantkind in the balance, it's an All-New, All-Different beginning for the X-Men! Staring down a threat to her race like nothing seen before, Storm pulls together the group she'll need to ensure mutants' survival - including Iceman, Jean Grey, Colossus and Magik! But can Storm and Iceman protect the last remaining mutants from a demonic attack? As a new child of the atom discovers her terrifying power, an old foe compounds the horror: Mister Sinister will bring the team face-to-face with their greatest fear. But can anyone be ready for the very first meeting of Old Man Logan and young Jean Grey? Bring all the hate and fear you want, they will fight to their last breath to survive the experience. They're the X-Men, they're facing down extinction, and they will be Extraordinary! Collecting EXTRAORDINARY X-MEN #1-5.
— Description from Comic Vine community (comicvine.gamespot.com).
