In Comics
Thor #337 (November, 1983)
New Mutants #25 (March, 1985)
Base
currently New York City, formerly Asgard, formerly the fleet of Korbinite ships.
formerly Ruth Aldines mind, Utopia, San Francisco Bay, California; Westcliffe, Colorado; "No-Time"; Moira MacTaggarts Mutant Research Center, Muir Island, off the coast of Scotland; Haifa; Paris, France