'Supernatural' Season 9 posters put Sam, Dean, Castiel, and Crowley in cages

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It's almost time for the "Supernatural" Season 9 premiere, and The CW added fuel to our excitement on Friday (Sept. 27) by releasing four new character posters on Facebook, in addition to the key art poster released on Monday (Sept. 23).

Dean (Jensen Ackles), Sam (Jared Padalecki), Castiel (Misha Collins), and Crowley (Mark Sheppard) each get their own, epic character poster. The images are half blue and half red -- presumably representing the influence of heaven and hell in the upcoming season based on each character's placement in the light. 

It's interesting that Dean and Cas are bathed mostly in blue light, while Sam seems to be in between the red and blue, being pulled down towards the red. Is that indicative of what's to come in Season 9? Will he be struggling with good vs. evil once again? 

And of course, being the king of hell, Crowley is all about the red light. 

Check out the rest of the posters below:

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"Supernatural" Season 9 premieres Tuesday, Oct. 8 at 9 p.m. ET on The CW.

Photo/Video credit: Facebook