Pierre Daniel, who had a brief role in the film sued Marlon Wayans for racial harassment. This was after Wayans posted a side by side photo comparing him to Cleveland Brown from Les Griffin (1999). The case was thrown out after the judge pointed out Daniel does in fact look like Cleveland Brown.
(at around 32 mins) In one of the scenes, when Malcom is taking notes. Marlon Wayans breaks character and talks about how bad the Scary Movie franchise has gotten after the 2nd one.
Wyatt's Imaginary friend is named Tony. Just like Danny's imaginary friend in Shining (1980). Tony was also the name of Kisha's childhood imaginary friend as seen through a home movie in the first movie.