User blog comment:Trainer Micah/Pokemon Sword/Shield prediction's 4 Anime/@comment-30358957-20190901191919/@comment-32781169-20190902161527

I don't think they'll replace Ash, but the Gen8 anime is supposed to feature all of the regions from Kanto to Galar in one series, so maybe there are multiple story-lines and there might be more main characters than just Ash.