Where to find Mewtwo in Sun, Moon, Ultra Sun & Ultra Moon

Only in Ultra Sun & Ultra Moon
Static Encounter: Ultra Space Wilds, Ultra Space

Guide: Ultra Space Wilds: Every Legendary in Ultra Sun & Moon

Mewtwo also appears in

How to get Mewtwo in Sun, Moon, Ultra Sun & Ultra Moon

Its base catch rate is 3 out of 255 (higher is easier); the catch rate calculator works out your odds with each ball. For the look, the best colour match is Master Ball.

Mewtwo in every game · Pokémon Sun, Moon, Ultra Sun & Ultra Moon interactive map (Alola)