Ok, will mine only has 3 discs in it which by the back of the box is my understanding what you should get. I originally read that the DVD wasn't included but the multi movie was. It sounds like you got an extra disc. Very cool.
So the delay was caused by a packaging error. I bunch of packages where shipped with the 3 movie Blu-ray instead of the DVD. So they pulled them back but produce enough to fulfill all orders. I got mine yesterday from Amazon and correct. However, I know a few people that got the incorrect...