There are 2 collector's editions. They are both missing the game. 
The listing is for 1 Collector's edition. 2 are available

They come with the soundtrack, artbook, behind the scenes DVD, dog tag necklace USB, 2 WoW guest passes (not sure if used) and 1 StarCraft 2 guest pass.
One has the comic, the other does not.

The first one to sell will come with the comic.