As George R.R. Martin and HBO try to figure out which (and how many!) of the five Game of Thrones spin-offs they're working on a small group of indie filmmaker in Belfast have taken it upon themselves to make their own prequel, titled "The Wild Wolf," a short depicting Ned's doomed brother Brandon Stark and Catelyn Tully's betrothal, and Petyr "Littlefinger" Baelish's fateful decision.