Originally Posted by Fat R_N
gen 5 was the only one to show off starter evolutions pre-release and that was like a month (ish) before BW came out.
The starters weren't even shown in this corocoro!
GameFreak does whatever it wants.
I dont expect new info to come out for a while anyway. Game Freak has surprised us before, but eh. I expect we will get new info in about 2 weeks or so and itll probably be just a few of the "route 1" pokemon.