Ultra Brothers VS Showa Godzilla Series Monsters

Showa Godzilla has left the city and continued to live on Monster Island since he defeated the Titans Water Dragon and Mechagodzilla Kai last time. A new storm came and I traveled across time to this world. It just so happened that I was possessed by an alien, and that alien happened to be from Planet X. He had the ability to control monsters. I relied on this ability to destroy the city, so I was able to achieve the effect. And I happened to rope in a few of my good friends and asked them to time travel, and then a world war broke out, and the Ultra 6 brothers time traveled here.