When Stacy is being threatened by the snake near the end, it changes from a normal snake to a hooded cobra.
In the second pursuit, Hooker's police car changes from a Dodge Monaco (vertical headlights) to a Dodge St. Regis (horizontal headlights) while the black Chevy sedan stays the same. This was due to the footage being resused from the pursuit in The Empty Gun (1982) when Hooker used a Monaco.
The Vietnamese gun thugs gank Blood by shooting him at the warehouse, but in something akin to Austin Powers: International Man of Mystery (1997), they utilize an overly elaborate and exotic death by turning a snake loose in the hope it will bite her.
Barbara is shot from her left side, presumably hitting her on the left side of her head, but her right hand goes up to the right side of her head.