According to a recent Steam database listing, Borderlands 2 Game Of The Year edition is on the way. It will include all the DLC listed below.

DLC included in Borderlands 2 Game of The Year

• Mechromancer Pack
• Captain Scarlet’s And Her Pirate’s Booty
• Mister Torgue’s Campaign Of Carnage
• Sir Hammerlock’s Big Game Hunt
• Psycho Pack
• Ultimate Vault Hunter Upgrade
• Creature Slaughter Dome
• Tiny Tina’s Assault On Dragon Keep