Continuity mistake: When Wolverine is trying to get to Professor Oyama, he slashes twice at the door leaving six claw marks. When the door is shown again after Wolverine is reacting to the explosion, there are suddenly several more claw marks without him ever slashing at the door again. (00:11:40)
Continuity mistake: When Professor Oyama is telling Dr. Cornelius to begin the adamantium feed, Wolverine is reflected incorrectly in Oyama's glasses (note the device on Wolverine's left leg). (00:09:50)