X-Men: The Adventures of Cyclops and Phoenix

The newlywitted Cyclops and Phoenix find themselves stranded two millennia ahead, in a world where Apocalypse has reshaped the planet. Their mission is to protect and raise the infant Nathan Summers in this hostile future. The boy’s survival is threatened by the tyrant’s cruel apprentice, the child known as Stryfe. Years later, a grown Nathan encounters the enigmatic Blaquesmith, forms a bond with a woman named Aliya, and is drawn to the teachings of the secretive Askani order. They recognize him as a prophesied figure, their history deeply intertwined with that of another displaced mutant: his sister, Rachel Summers.