Supernatural Season 10 Spoilers: Cain Returning

Much of Season 10 of Supernatural has focused on Dean Winchester dealing with the Mark of Cain. He was a demon for the first three episodes of the season because of it, and he's still feeling the effects even though he has since been cured and turned back into a human. But perhaps the one man who could help him get rid of the mark once and for all is returning to the series. Read More »