In Marvel Knights: T he World to Come, T`Challa`s adopted son Ketema is revealed as the future King of Wakanda shocking fans not just because he defeats Black Panther inbattle, but because Ketema is white.

Issue #2 explains Ketema`s origins: he`s the biological son of Everett K. Ross, T`Challa`s old US ally and Ross`s late partner, Nikki Adams, sister of T`Challa`s former friend. After both parents seemingly die, Nikki`s mother secretly hands the new-born to T`Challa, who adopts him.

Years later, Ketema challenges T`Challa for the throne.

Despite efforts to stop the fight, T`Challa surrenders and Ketema becomes king setting the stage for future conflict in Wakanda.