Coro Coro Comic magazine has exposed a new Pokémon evolution coming to Pokémon Omega Ruby and Alpha Sapphire.
As reported by Anime News Network, the reveal of the new Mega Evolution took place in the August issue of Japanese magazine Coro Coro Comic. The magazine announced that Pokémon Metagross will be receiving a Mega Evolution in the remakes of the Pokémon Ruby and Sapphire games due out later this year. We already know that Swampert, Sceptile and Diancie will be receiving new Mega forms.
In the image below you can see Metagross with his trainer, Elite Four Champion Daigo, who evolves his Metagross using a Mega Brooch.
Image from Anime News Network.