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Official Site: Marvel Entertainment

The Mutant Liberation Front, or MLF, is a Marvel Comics supervillain group, primarily enemies of X-Force. Created by writer Louise Simonson and artist/co-writer Rob Liefeld, the original MLF first fully appeared in The New Mutants #87 (March 1990).

The Mutant Liberation group consisted of young terrorist mutants, formed under the mutant time-traveler Stryfe. After his apparent death, the group reformed under Reignfire.

The Mutant Liberation Front first appeared in New Mutants #87 (the same time as Cable, they both had a cameo on the last page of #86). The MLF was primarily the antagonist of the New Mutants, and their later incarnation, X-Force. They also fought the second incarnation of X-Factor, and were eventually defeated by the X-Men during the X-Cutioner's Song. A second incarnation was assembled later by a villain known as Reignfire.

The team seemed mainly organized of disillusioned, anarchic mutant youths. Stryfe founded the group sometime after coming to the 20th century (from roughly 2,000 years in the future). They were likely assembled as a tool while Stryfe assembled his master plan which he executed in the X-Cutioner's Song storyline. The exact size of the organization is unknown, but they were seen to have had several advanced bases around the world, and employed a number of presumably human guards.

Mutant Liberation Front has not been a contender in any CBUB matches.