Fantastic Four (1967 series) #6

	Cover Date:	Oct-67
	Main Story:	Three Predictions of Dr. Doom
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	Summary:	"Dr. Doom challenges the Fantastic Four. Doctor Doom begins his plans by capturing Susan. Soon the Fantastic Four manage to locate and penetrate Dr. Doom's flying fortress, but Ben is turned back to his former self and the other three are trapped. Ben turns himself back into the Thing, releases the others and aborts Dr. Doom's tidal waves. They chase Dr. Doom out and back to the flying fortress. After a struggle through the dangerous complex of the fortress, they abort Dr. Doom's global destruction for good."
	Links:	Marvel Wikia