Yeah, saw the trailer the other day. From what I'm seeing, the story looks to be a mix of The Dark Knight Returns, Knightfall and No Man's Land.
I'm kind of curious if Gordon-Levitt's character will follow Nolan's trend of giving characters false identities in the marketing (like Ra's in Begins and now Talia) and actually turn out to be Jean-Paul Valley or Richard Grayson, cos he's popping up a lot.
Oh, and this is just a rumour, but the word is that when the film comes out, WB will attach the first Man of Steel trailer to it.