Complete special research or timed research that rewards Mewtwo when available
Defeat Giovanni in Team GO Rocket battles when Mewtwo is in his reward pool
Catch Mewtwo from five-star raid battles when it is featured in raids
Use a Remote Raid Pass or join local raid groups to access Mewtwo raids
Trade for Mewtwo with another player if you do not have one
Watch for special events, GO Fest, or limited-time raid rotations that include Mewtwo