Well, this is certainly more impressive than the trailers for any previous Star Trek
There's really nothing in this trailer that suggests Cumberbatch is anyone we've seen before.
Period. Check, please.
Now, he may
be an established character - no reason why not. But aside from an obsessive fanboi tendency to draw unjustified inferences from the tiniest bits of trivia, there is nothing to give one a clue in this 1:03 minutes. All one can do is take a stab in the dark and guess.