Y and friends are attacked by Legendary Pokémon Yveltal while X and Blue are attacked by Legendary Pokémon Mewtwo! Why has Mewtwo come to Pokémon Village, a sanctuary for refugee Pokémon? And why is Mewtwo so angry? Then, the mysterious test subject trapped inside the Essentia Expansion Suit regains consciousness…
— Description from Comic Vine community (comicvine.gamespot.com).
