Mazinkaiser [OVA]

Dr. Hell has resurrected an ancient army of mechanical monsters to conquer the world, but first he has to destroy the Photon Power Lab and the one thing standing in his way: Mazinger! But it’s going to take more than defeating Mazinger for Dr. Hell and his evil henchman Baron Ashura to clear their way for world domination, because there’s a new kid in town, and he packs quite the atomic punch!
Can young Koji Kabuto, as the runner behind the amazing Mazinkaiser, deal out the thunder faster than Dr. Hell’s army can take it?
With the help of the team of Great Mazinger, Boss Borot, and Venus Ace, photon power may yet save the world!