Factual error: When Connor is describing his 1970 LT-1 Corvette,, he says "Holley and Rochester Quadrajet carb." Those are two different brands of carburetors. (01:05:39)
Continuity mistake: In her temper tantrum, the Empress throws various dishes and cups to the ground. In her messy motion though, some items do not fly off the table and a golden fruit bowl happens to just spin around and stay on. It is gone next. (00:02:45)
Continuity mistake: In the first WW2 flashback the protagonist is handing the various items to the Nazi doorman. When he puts down the pen, he is doing it with a left hand in the table close-up, but he picked it with his right, as the left arm is busy holding the coat. (00:02:05)
Continuity mistake: When Captain opens the bridge gate he puts his right hand to his chest. From the opposite shot it's down.
Continuity mistake: As Big Bill is walking towards Batman threatening him, they are standing where the Robins are to Batman's right and the old man and woman are to his left. Each group down at the end of the alley at each doorway respectively. When Bill swings a punch at Batman, Batman ducks away moving towards the right towards the Robins. But in the next shot he's suddenly moving backwards towards the left to the old man and woman. (00:04:55)
Continuity mistake: Jeffrey downs all his whiskey, but in the following shot his glass is still half empty. (01:35:50)