Just before this film was released, TV and radio spots were issued that featured a rap score not used in the film itself. The score was performed by Charles Jackson a.k.a. C.J. SKYY and Michael Haney a.k.a. Ice Mike.
There is a scene that shows the two main characters as passengers in an SR-71 Blackbird reconnaisence jet. The plane is equipped with only two seats - the pilot and the navigator. There is no space at all for passengers.
The tie in the pivotal opening scene was donated by James Belushi, who was originally considered for the role of McQuade, but was forced to drop out due to conflicts with the shooting schedule for 'Taking Care of Business' (1990).