True.
I see what you mean, but it does look like the roster isn't finished and it was said that they were going to try to get as many characters on the main roster as possible.
NRS said that the roster of MKX would be close to MK9's, and MK9 had 32 characters (including DLC).
If that's the case, we could end up with 28 characters on the main roster and another 4 to 6 as DLC.
Ed Boon did say that there would be 30-something characters, so the roster number doesn't really eliminate Sonya, JC and LK, IMO.
i'm also guessing 28 final with 2 unlockables like last time then of couse the dlc i just can't wait for the new blood right now to be reveal