Supernatural's Cain is piling up bodies like cordwood in a new "The Executioner's Song" sneak peek (see video below).

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The demon set aside his murderous ways following the death of Colette, but it's safe to say he has officially exited retirement. Mr. Fizzles can tell when you're being a liar, Cain (Timothy Omundson), and it's quite clear you aren't honoring your promise to your dead wife.

We're not sure what the Father of Murder is up to, other than living up to his title, but whatever his plan is, it has already resulted in the death of dozens. It's a good thing Cas (Misha Collins) has his grace powered up because there's bound to be a confrontation when Cain finds the angel snooping around his dumping grounds.

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As photos suggest, however, Dean (Jensen Ackles) and Cain's fight will be the highlight of the episode. Crowley (Mark Sheppard) will fork over the First Blade, and the Mark will supercharge Dean once more. Until the first demon gets his hands back on his favorite weapon, that is.

I've heard the story line and it's pretty wicked," Omundson told AfterBuzz TV before filming started in December, later assuring fans that "it's going to get pretty intense."

Find out more when Supernatural airs Tuesdays at 9 p.m. ET on The CW.

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Supernatural, Television, The cw