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 and 20 as well as all the areas. It states that the first Pokémon you will encounter could be a shiny Patrat.
I will add the pictures as soon as i get the chance.
- Areas in south west: Sangi Ranch, Route 20, Tachiwaki City, Pokewood, Sangi Town, Route 19, Aspertia City, Tachiwaki Complex
- Route 19 has Patrat and Purrloin within it
- Route 20 has Sewaddle, Pidove, Dunsparce, Audino, Purrloin, Patrat, Venipede & Sunkern
- Sangi Ranch features Lillipup, Riolu, Pidove, Azurill, Dunsparce, Audino, Mareep, Patrat & Psyduck
- Tachiwaki Complex features Pidove, Magby/Elekid, Growlithe, Audino, Magnemite & Koffing. Pidove is only found outside in it, while Growlithe and Koffing are inside
- The Unova Pokédex page has been updated with various new Pokémon
- The map is shown for the first time and shows that you can search for Pokémon with the Pokédex
- It confirms Cheren's team as being Patrat (Lv. 11) & Lillipup (Lv. 13), giving you Work Up and Homika's team as being Koffing (Lv. 16) and Whirlipede (Lv. 18) and gives Venoshock.
- The area you change form with Keldeo in is called "Oath Woods"
- Your mother & your Rival's younger sister will give you the Running Shoes and Town Map. You meet Alder in Route 19
- Rival battle in Sangi Ranch. You need to work with your rival to find a Herdier. If you succeed, you will receive TM21. You get the medal box in Sangi Town and six hints for medals. You also have two battles in Alder's house
- Bianca gives you the C-Gear after you beat Cheren. This unlocks the ability to trade. You will also receive a Pokédex upgrade within Route 20
- You get to view Homika's father's movies when you reach Pokéwood.
- In the Tachiwaki Complex, if you beat all three trainers within it, you will receive TM94, Rock Smash
- Team Plasma are first fought in Tachiwaki and then Route 20. Access to Castelia City is via boat
I will add the pictures as soon as i get the chance.