What If..? #105
In an alternate future, Spider-Man retired after losing a leg in a battle with the Green Goblin. He had a daughter, "Mayday" Parker, who became Spider-Girl. It is also home to such super-heroes like the Fantastic Five, the Avengers, Darkdevil,Scarlet Spider and the New Warriors. Other characters live on, such as Captain America, Tony Stark, the Hulk, and Doctor Strange.