>> rob, i've already taken my bets you're going to win. >> yes, yes. drink heavily before you listen to it. and for all you batman fans t there, finally the last installment of the batman trilogy is in production and we know you can't wait for its release. >> some lucky fans in pittsburgh are getting a sneak peek. they've turnrn the steel city into gotham city. wtae's keith jones. >> reporter: check this out. we're told most of the filming's going on inside the mellon institute here which i guess i can call the gotham city courthouse. but if you take a look outside, it appears hundreds of extras there are preparing to film a fight scene. film crews turning pittsburgh into gotham city. complete with fake snow, its finest police force, and oh yeah, batman fighting a new villain named bane. >> whoa! >> reporter: you can sayayhe caped crusader has been on this 4-year-old's radar. >> why arerell the people fighting? >> reporter: noah couldn't keep his eyes away from the action. >> he's definitely small.