As Stranger Things Season 4 enters production, the writers room for the hit Netflix original series has provided a sneak peek of the premiere episode's script.The episode will be titled "The Hellfire Club," a clear reference to the secret society of X-Men villains, usually headed by Sebastian Shaw and Emma Frost. The organization played a pivotal role during The Dark Phoenix Saga, twisting Jean Grey towards villainy after she bonded with the Phoenix Force during a mission in deep space.RELATED: Celebrate Stranger Things Day with a Massive Season 3 Blooper Reel

Principal photography for the upcoming season is slated to begin this January and continue through August for a premiere at a later date.

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Season 3 of the supernatural series set a new viewership record for Netflix within its first month of availability this past July. In the face of its success, the Duffer Brothers, who created the series, signed an exclusive development deal with Netflix this past September, including an official renewal of Stranger Things for a fourth season.

Created by the Duffer Brothers, Stranger Things stars Winona Ryder, Millie Bobbie Brown, David Harbour, Finn Wolfhard, Gaten Matarazzo, Caleb McLaughlin, Noah Schnapp, Natalia Dyer, Charlie Heaton, Joe Keery, Priah Ferguson, Cary Elwes, Jake Busey and Maya Thurman-Hawke. The first three seasons are available on Netflix, with a fourth currently in development.