Character mistake: As they take Han away, watch Lando. Just before he tilts his mask down so we can see who he is, he whacks his head on the doorway. (00:16:20)
Character mistake: When Richard Pryor is on the computer attempting to formulate Kryptonite to kill Superman, a screen shot of the computer shows the word "recieved." The I and E should be the other way around. (00:59:25)
Character mistake: When Murphy shoots down an F-16, the guy says "we just lost a M-16."
Character mistake: When McQuade goes to visit Senor Falcone at the racetrack, they meet face to face pointing guns at each other. If you look closely, you see McQuade accidentally discharging his revolver (the hammer strikes) as he puts it down by his side.