What If...? Uncanny X-Men #1

WHAT IF...CYCLOPS HAD STAYED WITH MADELYNE PRYOR? Imagine a world where Madelyne Pryor, the Goblin Queen, had survived the Inferno. What would have happened if Cyclops had saved her soul? What would have happened if he and Maddie had raised their son, Nathan Summers? What would that world look like? And why would that be the most terrible thing to happen to mutantdom and Earth itself?