Creator
David Michelinie, John Byrne
Chris Claremont, John Byrne
Base
Avengers Compound, Los Angeles; formerly Infinite Avengers Mansion; Captive aboard a Skrull ship; Avengers Mansion, New York City, New York
(current) Emma Frost operates from the Massachusetts Academy, Snow Valley, Massachusetts, (former) Hellfire Club mansion in New York City, a home in the Berkshire Mountains in Massachusetts (near the Massachusetts Academy), and places of residence in vari