In the scene after Michael, Fiona and Thomas McKee escape the bounty hunter at Fiona's house, they are at Michael's apartment discussing the plan. When Michael opens his refrigerator, there is a can of SMEAT in the door. SMEAT was used as a fictional food in the movie.
When Barry and Sam are listing off one-name famous people, Sam (Bruce Campbell) mentions Spider-Man. Bruce Campbell had cameos in each of the Sam Raimi directed Spider Man movies as well as voices the tour guide in the Spider-Man video games.