Why break tradition? Every new series has added a different enforcer for the Shredder, so why would a new series cheap out and use someone that came before instead of making someone new?
Maybe they will, maybe they won't. What does it matter? Maybe the next series will go back to using Bebop/Rocksteady from the start again, who knows. Or just Hun.
There's no point in wondering this now. A new cartoon is years off.