However, after Simba returned, Zira was exiled along with her followers for their continued loyalty to Scar. ... Apart from her total devotion to Scar and her desire to avenge him, Zira also shows a deep contempt for other animals and especially for hyenas.

Why did Zira scratch Kovu?

Zira berating Kovu for betraying the Outsiders and Scar.

Who killed Zira?

Zira made one last attempt on Simba's life, but Kiara intercepted the attack, and Zira fell to her death in a raging river.