Constantine will welcome Felix Faust its cast this January.

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Mark Margolis will step into the villain's shoes starting Jan. 23, according to Entertainment Weekly.

The DC series already alluded to Doctor Fate and introduced the Spectre as Jim Corrigan, handily setting the scene for the debut of Felix Faust, who previously shared a plot with the former cop and Spectre's helm in 52.

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Faust, a sorcerer known for his work with the Secret Society of Super Villains and the Injustice Gang, will appear in "Quid Pro Quo." As thousands of Brooklyn's residents fall into a inexplicable coma, John Constantine (Matt Ryan) will have to uncover and defeat the malicious source.

Faust won't be the only piece of the DC universe to find his way into the Hallblazer adaptation. The background of the Mill House is littered with DC references.

"There's all of these little trinkets from the DC universe that should, in time, come into play on the show," teased Charles Halford (Chas) in a behind-the-scenes tour of the Mill House.

Find out more when Constantine returns to NBC on Jan. 16 at 8 p.m. ET. Click the video below to see a preview for the series' next episode, "The Saint of Last Resorts Part 2."