The Dark Knight Rises a Prequel to NightWing?

If you’ve not seen the very latest “The Dark Knight Rises” trailer, check it out…but watch Joseph Gordon Levitt’s character.  Enjoy. At 42-ish seconds he’s seemingly a witness.  The following scene is of the borough bridges being destroyed, followed by other people apparently witnessing it as well. At 55 seconds he’s asking Selina Kyle if they’ve killed “him.”  Him is Bruce?  Batman? At 1:08-ish he’s commiserating with a boy, wondering if Batman will return.  Clearly they both miss him. At 1:17 we hear him asking Selina Kyle “Why would you run, Bane?”  Selina responds, “You should just as afraid of him as I am, …