Yeah, humans were the low part. The enemy humans being weird green peace analogs was weird.
Spoiler
Show

But the Asian chick related to old Mothra movies was awesome. The twins are shown in a picture.

Godzilla is mating with Mothra?
Also, he is really is king and others bow to him is cool for story telling.

Ghidorah is an alien was weird.
So, will EvilGreenPeace use the head to make Mecha Ghidorah or just regenerate it to make another?