Headless Horseman: Halloween Annual — Dark Horse Comics
Issue: #1
Creators: Ben Stenbeck, Chris Panda, David Dastmalchian, Eryk Donovan, Francesco Francavilla, Frank Cvetkovic, James Asmus, Jay Martin, Leah Kilpatrick, Lukas Ketner, Matt Smith, Mauro Gulma, Sara Stella Scalia