In a scene in the Comic Book Convention, A man dressed in a Sgt. Kabukiman outfit says, "Were gonna make our own damn movie!" "Make Your Own Damn Movie" is a book by Lloyd Kaufman who wrote and directed the movie Sgt. Kabukiman N.Y.P.D. (1990)
At one point, Donald ('Mark Hamill' ) and the crew ask to sit at a table with three men, but they are scared away. The three men at the table are Hamill's co-stars from the original Star Wars trilogy: 'Peter Mayhew' (Chewbacca), 'David Prowse' (Darth Vader), and Jeremy Bulloch (Boba Fett).
Don Swan (Mark Hamill) interviews Kevin Smith in the movie and asks him about Smith's fictional first draft of the 'Commander Courage' movie. Smith mentions the movie's producers constantly hounding him over adding a giant spider to the 'Courage' script for no reason, among other problems. The scene is directly referencing Smith's famous real-life hassles attempting to draft a 'Superman' script for Warner Bros.
The characters Donald Swan (played by Mark Hamill) and Derek Sprang (Tom Kenny) are named for two comic book artists, Curt Swan, who drew Superman in the 1960s, and Dick Sprang, who drew Batman in the 1950s.