Continuity mistake: When Stonebanks is in the truck, the amount of blood in his mouth and on his chin keeps changing depending on the angle. (01:05:00)
Factual error: It is stated that X-rays would ruin the oils in paintings. However, it is commonplace to X-ray paintings to see what lays beneath.
Continuity mistake: Christmas throws the knife past Mars, we see Christmas walk off. Camera cuts and Christmas is back with the group before walking off again. (00:49:45)
Continuity mistake: When Christmas and Barney are talking in the bar, Christmas has a red bruise on his head. When he confronts Barney outside the bar, it has disappeared. (00:32:00)
Continuity mistake: When Caesar is on the ground after being shot, Christmas puts his hands on Caesar's leg. Camera cuts and he is now wrapping a shirt round his hand. (00:24:15)
Continuity mistake: Doc applies pressure to Caesar's chest after the bomb has exploded. Angle changes and he applies pressure again. (00:24:15)
Continuity mistake: When Doc shouts that it is time to mow the lawn, the ammo belt over his shoulder disappears and appears on the mini gun. (00:19:00)
Continuity mistake: In The Expendables, Christmas has his tattoo on his right arm, However in this one it is now on his left arm.
Continuity mistake: At the start, when Barney is hiding behind the train to avoid the AA gun, we see the landing skid slide along the track rails. Camera cuts and suddenly they are 6ft in the air. (00:02:40)
Continuity mistake: When Christmas follows Barney out of the bar you can see two men crossing the screen from left to right. After the cut to the next shot these two guys aren't visible anymore. (00:32:30)
Revealing mistake: When Barney shouts at Christmas in the pickup to go right, there are already skid marks on the floor from a previous take. (00:20:05)
Audio problem: When Christmas and the Spanish man narrowly miss being hit by a shell, the Spanish man falls through the floor and says he loves it. Christmas then replies with "good keep it up" or words to those effect. However his mouth doesn't move. (01:35:00)
Suggested correction: It did move, checked it.
