UNCANNY X-MEN (1963) #232

Colossus has been having visions of his sister in terrible danger. The metal mutant heads to limbo to check up on her. Peter has nightmares about Illyana. The X-Men decide it’s okay for him to go to her, even though it may blow their cover. He appears right before she completes a necromantic spell that would have totally corrupted her. He decides to pretend to be the summoned shade of himself.…