When Black Canary confronts the criminal leader, the other two are several feet behind him, but when she jumps down, flings him away, they're further away, and she throws him again, to where he was just standing relative to the other two.
The lead criminal drives the truck When Canary "screams" the truck, the leader is driving, but when it topples to the left, he escapes via the passenger door right away, as he could have only had he been in the right-hand seat.
The van is driven by the leader, with only two people up front, but then crashes without anybody toppling from the back, but is shown with four passengers lying in front of it.
When Green Arrow shoots the net-giving arrow, Atomic Skull leads the charge. but when they seen again, Tracer is up front, then Atomic Skull is.
When Ollie Queen changes his clothes, his suit and turtleneck are removed but he is then shown wearing a button-down shirt, and his gloves suddenly appear on his hands. Green Arrow's quiver, which he wasn't shown carrying with him and couldn't hide or send to the arena back-room before him, also appears.