In a press release Warner Bros. Interactive announced:

"Gamers will now be able to purchase new playable Guardians Thorin Oakenshield and the Great Goblin in Guardians of Middle-earth! The DLC is currently live on PlayStation Network and on Xbox LIVE Arcade.

Thorin Oakenshield, who is based on the character in The Hobbit: An Unexpected Journey, is the son of Thráin and led the company responsible for taking back the Lonely Mountain from the dragon Smaug. The Great Goblin rules over the denizens of Goblin-town, which is located deep within the Misty Mountains under High Pass."