In addition, hopefully it'll also turn out to be something that I can easily headcanon/reconcile the Anime Mewtwo Saga events in since I have doubts that even a trilogy would include those bits (though you never know, but I think they don't need to be revisited because they're fine as is).
I'm actually hoping this movie turns out to be the first in a trilogy. The current anime can continue being what it wants, but it'll be a treat to have a separate incarnation of it exist separately utilizing all the potential it originally had.