X-Men Vol. 1 (1963-1981) / The Uncanny X-Men Vol. 1 (1981-2011) #191

Argumento

Guest-starring the Avengers, the New Mutants, Doctor Strange, and Spider-Man. The X-Men, Avengers, and New Mutants must unite and defeat some of their own to stop the sinister warlock Kulan Gath before his dark magic encompasses the Earth, turning everything into a fantasy world of sword and sorcery. The key to victory lies with the man known as the Spider! Plus, a mysterious new threat arrives from the future. (mycomicshop.com)