Factual error: Ann plays an organ in a church with no electricity. And no, there was no manual bellows to make it work; the movie makers simply didn't know the difference between the operation of an organ versus that of a piano.
Factual error: Evita Peron died in 1952. In this movie, the doctor finishes embalming her during the Coup d'état that deposes her husband...in 1955.
Continuity mistake: During the saloon heist, Luke Wilson comes in to distracts Harvey Keitel. Danny pulls out a roll of banknotes to buy "some real scotch from Scotchland"; one of the girls poured a drink to Smiley and put the bottle down, but the bottle in a following shot is in a different position. (00:50:50)
Continuity mistake: During the fight scene with the contract killer in the apartment building, the killer's coat catches fire. As the scene and fight continues, the coat is no longer on fire. (01:16:30)
Continuity mistake: After the shooting at the concert, Lysistrata is in the bathroom downing the pill with some Don Julio tequila. The bottle lid is to the left of the bottle in the wide angles, to the right in close-up. (00:10:00)
Factual error: Tina's striptease dance is mentioned several times as a notable scene in the fictional 1986 movie 'Camp Bloodbath'. When that scene plays out, the song Tina dances to is Warrant's 'Cherry Pie', which wasn't released until 1990.
Factual error: In the end credits, when the listing of songs used in the film is rolling, the Kiss song is listed as "Detroit City Rock." Actually, the song title is "Detroit Rock City." (01:38:10)
Continuity mistake: In order for Superman, Wonder Woman and Batman to break into the secret room, they knock it down. Four enemies who were waiting for them in front of the door are crushed by the falling door and blood is splattered, forming a pool of blood in front of the door. During the fight that follows, there are several shots where the knocked over door is shown, but the pool of blood at the front of the door has vanished. (00:07:10)