Nintendo of Australia recently announced the release dates for Pokémon Black and White Versions 2 in Australia and New Zealand. The games will be released in Spring 2012. It is currently unknown when the games will be available for pre-order.
Pokémon Black and White 2 were recently revealed on Japanese TV show Pokémon Smash! in a special appearance by series director Junichi Masuda, and are being made for the Nintendo DS.
Offical Pokémon of Australia