"No One Can Stop the Vanisher!"
Professor Xavier summons the team and briefs them on a new mutant threat, the Vanisher, who can teleport at will. The Vanisher is brash, announcing his moves in advance, as none can stop him once he has his target in sight. The team trains hard, though meet with disappointment when they fail to stop the Vanisher from stealing secret military plans. The Vanisher gathers an army of underworld cronies, and attempts to ransom the plans, and is met by the X-Men with Professor X. The Professor displays his awesome power by inducing a befuddled state in the Vanisher. 22 pages.
First appearance of the Vanisher.
Reprinted in Marvel Super-Heroes (Vol 2) #21.