Back in January of this year Nintendo confirmed the existence of Hoopa, the legendary Pokémon leaked in 2013.

Thanks to some leaked images from the latest issue of CoroCoro magazine, the Pokémon's alternate form Hoopa Unbound has also been officially confirmed:

The English title for the 18th movie, called Pokémon the Movie: Hoopa and the Clash of Ages has been revealed as well, along with a new story trailer. You can check out said trailer below (and try not to cringe too much at Hoopa's voice).