(A/N: Pretty much these are the fandoms I'm gonna begin with. You can suggest more in the comments)
Jurassic Park/Jurassic World
Avatar
Marvel Cinematic Universe (Pre-Endgame and Post-Endgame (Avengers:Endgame happens, but it will be skipped in the story)
Godzilla
Sonic the Hedgehog
Azur Lane
Transformers