Cause ya have sub-earths Earth-207 and Earth-27M what would be cool is if he did a boku no hero academia (My hero academia) sub-earth, and like if u do it could be called Earth-27H
Roy has expressed no intention of adding MHA to E27, though it would certainly be interesting.
How about Ben 10 😂
Actually, not too long ago Roy posted a journal on his DeviantArt page about the franchises he was willing to integrate into Earth-27. You can read it here: https://www.deviantart.com/roysovitch/journal/Earth-27-External-Franchises-823012123
What do you think?