To try and change Ms. Marvel back from a She-Thing, the FF go underground to find an old enemy-turned-friend- the Mole Man!
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(Cover Date: April, 1988)
Summary: The FF go into the tunnels below Project Pegasus to search for the Mole Man to find a cure for Sharon's condition. When they find the Mole Man, they are attacked by the Lava Men, who then abduct Mole Man. Unable to follow through the molten rock, the group retreats back to the surface. Sharon tells Ben that she's happy as she is.