Alter Ego is a salute to the first series of X-Men (1963 to 1969) behind Jack Kirby's unused cover for issue #10! There's secrets behind the mag's first decade - rare late-'60s Brazilian X-Men stories, a long-lost '60s X-Men "character sheet" by Stan Lee himself, and Roy Thomas on the 1970s revival that turned into a mutant explosion! With art and artifacts by Lee, Kirby, Roth, Adams, O'Neil, Heck, Friedrich, Drake, and Buscema, plus the story of Marvelmania fan club!