The official Japanese Pocket Monsters Movie has posted the teaser title for the 14th Pocket Monsters movie. Victini and the Dark Hero (ビクティニと黒き英雄) will debut in Japanese theaters most likely sometime in July of 2011.

The full title of the should also be announced sometime at the beginning of 2011. The movie will best based off the new Best Wishes (ポケットモンスター ベストウイッシュ) anime series from Japan and it will feature the new 5th generation Pokémon Victini (ビクティニ).

Source: http://www.pokemon-movie.jp/