If kovu was evil and Kopa was in the lion king 2 (Crossover) part 2

Storyline -------------- Kovu is Upset he was threathed in misery. He says “I must kill him“ he come back to pride rock he fight whit kopa. Kovu believe he killed Kopa and he is happy till Simba appears from nowhere and said “Exile“ Kovu ran away one night he saw a strange lion (Adult kion) kovu is angry he pushed kion off a cliff and left. Kopa saw his brother in danger he save kion. After saving Kion Kopa become king of pride rock