He has to since they're part of the multiverse
You could say the same about Amazons and the rest as well from The First, The Next, etc
All different iterations and realities within one
manga, novels, movies, etc, even games, they all part of the kr multiverse, dif versions, alt continuities and etc, but still being part of the same verse and they connected, even non canon movies, still have some canon elements within them, peeps really dont know how cosmic themed this series is, along with super sentai, after all, their fusion became the strongest char in toku series
then we got other similar series like ultraman land, metal heroes land, gridman land, etc, similar cosmology and cosmic themed feats