Godzilla vs. King Ghidorah (1991)
Time travelers use Godzilla in their scheme to destroy Japan to prevent the countrys future economic reign
Godzilla vs. Megalon (1973)
Megalon, the monster god of the vengeful underground kingdom of Seatopia, is aided by Gigan in attacking the surface world, until android Jet Jaguar teams up with Godzilla to fight them