The magazine, Dengeki, has provided a first few glimpses at the early areas of Black 2 & White 2. This includes the routes of Route 19/20 as well as all the areas. It states that the first Pokémon you will encounter is a guaranteed shiny Patrat.
Areas in south west: Sangi Industrial Complex, Route 20, Tachiwaki City, Pokewood, Sangi Town, Route 19, Aspertia City, Tachiwaki Conbinaato
Route 19 has Patrat and Purrloin within it
Route 20 has Sewaddle, Pidove, Dunsparce, Audino, Purrloin, Patrat, Venipede & Sunkern
Sangi Industrial Complex features Lillipup, Riolu, Pidove, Azurill, Dunsparce, Audino, Mareep, Patrat & Psyduck
Tachiwaki Conbinator features Pidove, Magby, Elekid, Growlithe, Audino, Magnemite & Koffing
The Unova Pokédex page has been updated with various new Pokémon
The map is shown for the first time and shows that it will list all the Pokémon in the area
It confirms Cheren’s team as being Patrat & Lillipup and Homika’s team as being Koffing and Whirlipede as well as Pokémon in various areas.