On his return to Wakanda, the Panther learns that one of the mountain villages is in revolt, led by a man calling himself Erik Killmonger. The Panther confronts Killmonger at Warrior Falls, where the Panther is defeated and thrown from the top of the falls.
in Jungle Action (Marvel, 1972 series) #8 (January 1974) [recolored and slightly edited to remove the Atlantic Ocean and replace it with two forests and an arrow pointing toward "Indian Ocean"]