Revealing mistake: In the parking garage shoot out Arnold shoots the leg off a bad guy. While the bad guy is writhing in pain on the ground you can see his leg tucked back. (00:59:50)
Revealing mistake: After Arnold Breaks Wiley's neck outside the police station and sets him down on the ground, in the next shot where they show Wiley on the ground you can blatantly see his stomach move from breathing, even though he's dead. (00:44:15)
Revealing mistake: When Arnold is back at his partner's house and the guy comes in shooting, watch the 1st shot as Arnold dives out of the way. The film editor's timing is off because it appears that he's jumping into the gun shot. (00:56:25)
Answer: No. This is exactly the same movie. Underneath Arnold's eyelid is a small dot. The dot represents how many times his character was cloned.