Mufasa and Scar's origin is a story within a story in Mufasa: The Lion King. The film picks up with Simba and Nala setting out to have another cub, and their daughter Kiara is left at Pride Rock ...
the lion who grows up to be the king and father to Simba along with Kelvin Harrison Jr. as Taka, who's eventually known as the antagonist named Scar, a prince and Mufasa's adoptive brother.