Marvel Released July 2000

Mutant X #21 (2000) First Print

Mutant X #21 is an issue of the Mutant X series from Marvel, released July 1, 2000. Written by Howard Mackie with artwork by Tom Lyle. This page represents the regular first-print edition. Separate pages are available for the 1 incentive, retailer-exclusive and later-printing variant cover.

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Published July 2000

In one of the most shocking revelations of the MUTANT X Universe, Havok learns the secrets of this world's most powerful mutants: Professor X... and Apocalypse!