Yeah no doubt they'd still add Link. He's kinda too big to ignore.
Similarly I think they'd still add at least Mario and Luigi, since while usually silent, they do still speak, especially in the RPGs. They'd probably awkwardly leave out Bowser though.

Beyond that, probably Samus, Marth, and Pit at least, maybe with Shulk (fits the aesthetic from what I can see), Takamaru (if they wanna get retro), Little Mac (and Doc to act as the voice of the two), and Captain Falcon if they're feeling generous. That'd actually be a pretty awesome line-up, I think.
Ah, hypotheticals.