I'm not sure what you're asking, but the 4-pack is on a separate page for anyone else confused:
http://www.gamersgate.com/DDB-BL24P/borderlands-2-four-pack-bundle
I second this. I'll also add that the multiplayer has no replayability at all (2 weapon unlocks, if I remember correctly, and then you just unlock the opposite side's gun). I unlocked everything in a few hours. Maps are literally just long corridors (choke, choke, choke). One of the maps is...