It's a remake of X-Men #4, when the X-Men first met the Brotherhood of Evil Mutants, with Toad, Scarlet Witch, Quicksilver and Mastermind, under the orders of Magneto.
Professor X tries to recruit Scarlet Witch and Quicksilver but fail. After trying to save a girl by using thier powers, an angry mom hunts down Scarlet Witch and Quicksilver. Magneto shows up and takes them to his Brotherhood of Mutants. Professor X and Magneto battle on the Astral Plane. Magneto then takes over a small island in hopes to battle the X-Men.
— Description from Comic Vine community (comicvine.gamespot.com).
