In Comics
New Mutants #25 (March, 1985)
Sub-Mariner #50 - Who Am I?
Base
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
Mobile, formerly New Warriors headquarters and Atlantis