Supernatural's Cole must really want to find Dean Winchester if he's willing to take on the hunter/demon's little brother in the premiere.

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The mysterious character will make his Supernatural debut during "Black," and the baddie will attack Sam (Jared Padalecki) as he struggles to track down hell's newest demon (see photos below).

Granted, Sammy won't be up to his usual standards. A gimp arm (courtesy of Padalecki's real life shoulder surgery) will probably give Cole (Travis Aaron Wade) the upper hand.

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"We find that there is this character Cole who is sort of mysterious but we know that he has a mission, and his mission is to kill Dean," said executive producer Robert Singer in a season 10 preview from iTunes.

An acquaintance from Dean's (Jensen Ackles) past, Cole must really have an ax to grind with the elder Winchester. Luckily, the villain will give Dean a chance to regain his 'righteous man' title once he gets that pesky demon affliction seen to.

"Part of the general theme that we talked about for the season for Dean is that he learns to be a hero again," Singer explained.

After the black-eyed bender Demon Dean went on over the hiatus, he could certainly use a booster shot of heroism to get him back on track.

Find out more when Supernatural returns to The CW on Oct. 7. Click the video below to get a glimpse at Sam, Dean, Castiel, and Crowley in season 10.

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Television, The cw, Supernatural