The Fantastic Four plunge ever deeper into the Earth's depths, only to find themselves going up against the dark sorcerer known as Belasco! What plans does he have for Crystal?
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(Cover Date: May, 1988)
Summary: While exploring the Mole Man's tunnels, the FF run into Belasco & his Cat-People followers via a warp. Belasco wants Crystal as his mate. They escape when Belasco is distracted by Dr. Strange's battle with Shuma-Gorath. Floating down the River of Oblivion takes them to Arcturus IV via a warp, where they are met by Master Pandemonium.