Summarized Black & White 2 news organized by reveal date
Spoiler Alert!Junichi Masuda announces BW2 during Pokemon Smash. Later via Twitter, Masuda also announces the existence of Kyurem's alternate forms, as well as their names: "Black Kyurem" and "White Kyurem". A cinema listing for the short movie to accompany Kyurem's movie also accidentally leaks and officially confirms Meloetta's existence for the first time.
Spoiler Alert!BW2 is confirmed to be GTS compatible, and the GTS will receive updates and renovations as such.
Spoiler Alert!An issue of CoroCoro reveals that BW2 take place in Unova, the game is set two years after BW1's ending, parts of Unova have frozen over, and many routes and areas have changed. Hiougi city is also revealed, as well as plenty of information about the city's features, including that it is the starting city. The new characters Homika (Poison gym leader), Shizui (Water gym leader), and Professor Akuroma are revealed. The moves Freeze Shock and Ice Burn are confirmed as Black Kyurem's and White Kyurem's signature moves, respectively.
Finally, it is confirmed that out-of-region Pokemon will be a part of the regional Unova dex.
Spoiler Alert!BW2's first trailer is revealed, which in turn reveals multiple tidbits of data such as Pokemon now having new animations, all trainers now having animations, etc.
Spoiler Alert!After leaking some of their information the previous day, CoroCoro reveals further details about Pokewood, and also reveals the Kami trio's alternate forms, the Sacred Beast forms. Pieces of plot information are revealed about BW1 characters, including Bianca, Cheren, and Alder. Bianca is still Juniper's assistant, and will give you your starter. Cheren is a gym leader, specifically for the normal type. Alder appears early on as a part of the plot. N is mentioned in that his whereabouts are still unknown.
The Pokemon World Tournament is also revealed, as well as a plethora of old gym leaders and champions coming from regions of past games to join the tournament. Lastly, the special Meloetta event for Kyurem's movie is officially revealed.
Spoiler Alert!A special Meloetta Pokemon Musical is announced for BW2. It is also revealed that the special event Meloetta will unlock something in the game other than the musician in Castelia that teaches Relic Song.
Hiougi City's translation is revealed to be "Aspertia City".
An animated trailer for the games was also released, and shortly fan-subtitled afterwards.
Spoiler Alert!Two commercials for BW2 have been released. The first commercial reveals the return of Ghetsis to Team Plasma, and N returning alongside his legendary Dragon to stop Ghetsis' plan, which has to do with Kyurem.
Commercial 1:Spoiler Alert!
Commercial 2:Spoiler Alert!
Spoiler Alert!Keldeo's Resolution form is accidentally leaked. Subsequently confirmed a few days later with this image from CoroCoro.
Spoiler Alert!Update coming soon.