Marvel Database
The subject of this article pertains to a reality with no official designation, so it has been assigned a Temporary Reality Number.
(For more information on TRNs, go to this page).


The Mutant Underground was a secret organization of mutants active across the United States following the disappearance of the X-Men and the Brotherhood and the passing of strict anti-mutant laws across the country. The Underground helped mutants hide from the government and escape law enforcement agencies searching for them.[1]

See Also

Links and References


Like this? Let us know!