My theory on SpaceGodzilla's origins in Supernova

I'm curious to see how close my wild fan theory is to the actual story in Godzilla x Kong: Supernova when it comes to SpaceGodzilla. Obviously, the Monsterverse gives their Monsters their own origin stories, so here's my theory on the Monsterverse origins of SpaceGodzilla...

SpaceGodzilla is an ancient ancestor of the Titanus Gojira species, the "King" of the entire Titanus Gojira race. During the great war between the Gojira and Kong species in the early days of Earth, the only way to defeat the King Godzilla was to get him off planet. The Kong species, along with other Titans joined forces to eject the evil King Godzilla into space and managed to blast him into space... but it sent this Gojira on a really wide orbit trajectory.

At this time, Godzilla was a baby, hidden away from the conflict. The Kong species had effectively eradicated the Gojira species off Earth, unknowingly having forgotten one baby Gojira left hidden away, which eventually became the Godzilla we know.

In Supernova, Monarch satellites pick up on a massive object hurtling through space on a collision course for Earth. As it gets closer, they're able to see the figure reassembles Godzilla, but with crystalline structures having formed across its body from the exposure to various unknown minerals and radiation found in space. This cosmic radiation has evolved this ancient King Godzilla into a powerful new form.

Since Gojiras have no means of flight, SpaceGodzilla was unable to manipulate his trajectory so he helplessly floated in space for millions, maybe billions of years. But he doesn't forget the great war with the Kong species, so when he arrives back on Earth, he's determined to finish what he started and take back Earth for himself and his species.

SpaceGodzilla is also the old KING of the Monsters, and all Gojira species, so Godzilla will be seen as a rival and challenger to him. SpaceGodzilla will not see Godzilla as his kin, but rather his subordinate and Godzilla will obviously not take that lightly. Godzilla will be defending not only his position as the King of Monsters on Earth, but also his alliance with Kong and the peace between the surface and Hollow Earth.

This is my theory.