"Adventure Comics #283 (April, 1961)"
The X-Men #49 - Who Dares Defy The Demi-Men?
Früher Krypton; früher die Phantomzone; zur Zeit der Erde
Serval Industries, Virginia; früher X-Factor Untersuchungen Hauptquartier, Starjammer; Xavier Institute for Higher Learning, Salem-Center, Westchester County, New York; Genosha; X-Factor HQ, Washington DC, Maryland; Mutant Research Center, Muir Insel;