2B's was much the same, though, the only real difference with hers being that she had multiple opponents, and Haohmaru just fought Mitsurugi. There was still some gameplay in the Haohmaru trailer, pretty sure they showed both his Soul Attack (the black shadow strike) and his Critical Edge (the bloody whirlwind rising attack), along with some of his other moves, like the projectile attack that Mitsurugi used his auto-counter on. It would have been nice to see more, yes, but even the main character cast didn't get -that- much gameplay in their initial trailers, we got more from them later on down the road. And I bet we'll get to see some actual fighting with Haohmaru before he releases, considering we've got until March at least before he comes out.
That being said, you know as well as I do that we can't break the SOON™ meme, just as sure as Okubo is a master troll, almost leaving us with the impression that we weren't getting a trailer at all, just to hit us with that DO YOUR SOULS STILL BURN?! ...one more... DO YOUR SOULS STILL BURN?!?!