In Comics
Detective Comics #38 - Introducing Robin, The Boy Wonder
The X-Men #49 - Who Dares Defy The Demi-Men?
Base
Wayne Tower, Gotham City; formerly the Batcave; formerly Bludhaven; formerly New York City
Serval Industries, Virginia; formerly X-Factor Investigations Headquarters, Starjammer; Xavier Institute for Higher Learning, Salem Center, Westchester County, New York; Genosha; X-Factor HQ, Washington D.C., Maryland; Mutant Research Center, Muir Island;