Pokémon Go 'Mega Ascension' choose a path — Mega Chesnaught, Mega Delphox or Mega Greninja?

As part of the "Mega Ascension" lead up to "Pokémon Go Fest 2026: Mega Finale" event, you'll be immediately tasked with picking between Mega Chesnaught, Mega Delphox, or Mega Greninja.