Supernatural Season 9 Spoilers: Lindsey McKeon Talks Dean's Mark of Cain Problems

The Mark of Cain and the First Blade have been a major focal point of the second half of Season 9 of Supernatural. The show has focused specifically on how the Mark and the weapon affect Dean, and the latest episode, "Stairway to Heaven" took him to an even darker place as he started to become much more aggressive and sliced a few people open. Read More »