If you want a second Mewtwo for your Pokémon: Let's Go, Pikachu! or Let's Go, Eevee! games, you now have a rare chance to get just that. It's now possible for US players to get a feww Mewtwo for their game by going to Best Buy.
To get the free Mewtwo, download the app called Pokemon Pass for your phone. The app is availiable for iPhone and Android. When you have it, just head to any Best Buy store between November 4 and November 14, and open the app. This will give you a code that you can use to download Mewtwo in your game.
Once you have the code ready, lauPokémon: Let's Go, Pikachu! or Let's Go, Eevee! game. From the main menu, select the "Communicate" option and choose "Mystery Gifts". Now type in the unique code you got in your Pokemon Pass app on your phone. Now watch as you get a brand new Mewtwo on your save file.
The new Mewtwo will be level 70 when you get it, so it's a high level Pokémon. It will know the four following moves when you get it:
And that's all there is to getting a free Pokémon: Let's Go, Pikachu! and Let's Go, Eevee! by going to Best Buy during the promotion event.