In the movie "hot tub time machine" what was in the shoe box labled "Cincinnati"?

Whatever was in the shoebox that is labeled "Cincinnati", in the movie Hot Tub Time Machine, was never revealed to the audience. Many people think this could be a lead-in to a sequel.

Hot Tub Time Machine is a 2010 comedy film directed by Steve Pink and stars John Cusack, Rob Corddry, and Craig Robinson. The movie has been described as a mash-up of Back To The Future and The Hangover. It is about four men, who travel back to the 1980's in a time-shifting hot tub and the hilarity that ensues.

Updated on Wednesday, October 17 2012 at 02:02AM EDT