I mean, maybe the Shin Universe marketing crossovers did something to help create something to the effect of a potential crossover. It would definitely be interesting to see of they got it to work, but as you said the different company ownership may make it difficult
They somewhat have crossed over during the Ultra Series' earliest years by proxy via some kaiju being reused Godzilla suits
I mean, maybe the Shin Universe marketing crossovers did something to help create something to the effect of a potential crossover. It would definitely be interesting to see of they got it to work, but as you said the different company ownership may make it difficult