Death Match! Resurrect our Mazinger Z

Synopsis

With the huge explosion of the flying fortress Gool, Dr. Hell's ambition is crushed and the Underground Empire is destroyed. At the Photon Power Laboratory, a party is held to celebrate victory and peace. But Grand Duke Gorgon survived and slipped away from the battlefield. Back at the headquarters of the Mycenae Empire, he urges the Great Marshal of Darkness to set out to conquer the surface. As the Great Marshal of Darkness finally moves into action, Mazinger Z fights with everything he has but is defeated. At that moment, a new super robot appears to save humanity from peril!