All-American Comics #61 (October, 1944)
The X-Men #49 - Who Dares Defy The Demi-Men?
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Serval Industries, Virginia; ex X-Factor Investigations Sede, Predoni Stellari; Xavier Institute for Higher Learning, Salem Center, Contea di Westchester, New York; Genosha; X-Factor HQ, Washington DC, Maryland; Mutant Research Center, Muir Isola;