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<http://schema.org/description>
"Enemies both infamous and obscure abound in another archive of the X-Men's early adventures! Mainstay malefactors like Magneto and the Juggernaut are joined by the thunderous threat of Factor Three! Plus: the first appearances of Banshee and Polaris! Mimic vs. the Super-Adaptoid! Subterranean civil war! The X-Men's first individualistic uniforms! The return of a Golden Age great...and the death of Professor X!? Guest-starring Spider-Man, Doctor Strange and the Avengers! Featuring Ogre of Thunderbolts fame!  Collects X-MEN #25-53 and AVENGERS #53."
<https://www.marvel.com/comics/collection/4208/essential_classic_x-men_vol.2_trade_paperback>