Update (Friday, 2:00 PM) – The official site edited their news story to now say that the download is only for BW2.
A new Wi-Fi event has been announced for a Level 100 Deoxys. The download will take place from May 8th to May 31st for the English versions of
Black, White, Black 2, and White 2.
If the Deoxys matches the Masuda Deoxys event from last December, it will come inside a Dusk Ball holding a Life Orb and with the moves Nasty Plot, Dark Pulse, Recover, and Psycho Boost.