You may now bring Pokémon from the previous games to the Ultra games.
NintendObserver’s select content on Pokémon’s Twitter.
All the characters of the Wii U and the arcade versions plus an extra are joining the roster.
This is the second mainline Pokémon worldwide release after the Pokémon X & Y launch on October 12, 2013.
With Mew's Z-Crystal, Psychic becomes Genesis Supernova.
Europe will have to wait a little bit more.