Pokémon Go' Event Update: Armored Mewtwo Returns, Start Time, and Pokémon Day Celebrations

Party Hat Pokémon will appear in the wild, Eggs and Raids during the event.

Pokemon GO Armored Mewtwo guide

Mewtwo, Bulbasaur, Charmander and Squirtle are currently appearing in Pokemon Sword & Shield raid battles

Mewtwo, Pokémon GO Wiki

Shadow Pokemon are taking over raids during Pokemon Go's Rising Shadows event

Pokémon GO to Unleash Armored Mewtwo, Teases Team Rocket

Pokemon Go: Pokemon Day brings new species to the game - Dexerto

Pokémon GO to Unleash Armored Mewtwo, Teases Team Rocket

Pokemon Go Armored Mewtwo - Registered or Unregistered 30 days

October & November releases potentially leaked! : r/TheSilphRoad

Pokemon Go Armored Mewtwo Armored Mewtwo release date - GameRevolution