Mega Mewtwo X and Y Become Available in Pokémon Sun and Moon

Pokémon just recently announced on their website that it is now possible to get Mega Mewtwo X and Mega Mewtwo Y in Pokémon Sun and Pokémon Moon. However, it's not as simple as just catching a Mewtwo holding a Mega Stone; the process is kind of complicated, so bear with me. First of all, Mewtwo is not available to

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