'Super 8' teaser trailer: And so we wait...

Now that you’ve had a few days to process the teaser trailer for Super 8, the top-secret collaboration between director J.J. Abrams and producer Steven Spielberg, what are you thinking is inside that train car that’s derailed while on its way from Nevada’s Area 51 to a secure facility in Ohio in 1979 — and what will it do when it gets out? The $45 million movie, which Abrams will shoot this fall before moving on to Star Trek 2, is said to be an homage to the sci-fi films he loves as a teenager. Guesses? Go!