DC Super Heroes Superman Deadly Double

After chasing the evil Mala through space, Z returns to Earth, and finds people running from him. Jax-Ur had disguised himself as Superman and terrorized the world. Now Jax-Ur and Mala plan to turn the people of Earth against Superman, become their new heroes, and take over the planet. Superman has to stop the deadly duo, but it's not easy when they have a whole world on their side.