Fantastic Four (1961) 241-A

"Render Unto Caesar!" The Fantastic Four travel to Wakanda, after S.H.I.E.L.D. detects a tremendous energy surge emanating from it's land. Nick Fury requests the FF investigate and with the assistance of the Wakandan king, the Black Panther, they stumble upon a lost Roman civilization under the despotic rule of a strange being with the ability to cancel the team's super powers.