2020 godzilla vs kong: godzilla kong maybe rodan and Mothra maybe even another
2022 gamera: gamera gyaos swarm possible new monster
2023 godzilla 3: godzilla moguera anguirus titanosaurus mechagodzilla (cameo)
2024 rodan: two rodans (like the original) giant bugs bug queen baby rodan (in an egg)
2026 mothra: mothra battra rodan
2027 monster island: kiko godzilla Jr gorosaurus kumonga kamacuras ebirah kamoebas zilla skullcrawlers mothra egg mechanikong (cameo)
2029 gamera 2: gamera viras virasian army mecha gamera (cameo)
2032 godzilla 4: godzilla rodan mothra gamera kong mechagodzilla mecha ghidorah mecha mothra mecha rodan mecha gamera mechanikong
2033 the beast from 20,000 fathoms: rhedosaurus gorosaurus titanosaurus
2034 destroy all monsters part 1: godzilla kong mothra rodan gamera kiko godzilla jr mechagodzilla mechanikong mecha rodan mecha mothra mecha gamera mecha ghidorah moguera gyaos swarm viras guiron zigra jiger virasian army mysterian army gorosaurus kumonga kamacuras ebirah kamoebas zilla ghidorah anguirus titanosaurus legion irys giant bug swarm gyaos queen bug queen rhedosaurus manda varan muto swarm behemoth leviathan (cameo)
2036 destroy all monsters part 2: godzilla kong mothra rodan gamera kiko godzilla Jr zilla ultraman behemoth leviathan
2040 final wars: godzilla kong gamera ultraman zilla ghidorah army cthulhu king ghidorah
End of my timeline