• "Legion" is expected to premiere early in 2017.

"Legion" is expected to premiere early in 2017. (Photo : Twitter/Marvel)

FX is kicking off the release of the X-Men TV series "Legion" by gifting fans with some awesome promotional material, featuring lead star Dan Stevens and co-star Aubrey Plaza.

In the teaser material, Stevens' David Haller and Plaza's Lenny are at a psychiatric facility where they stare at another patient who is drooling all over himself. In another promo video, fans get a taste of David's powers as he tells The Interrogator (Hamish Linklater) that he switched bodies with a girl after they kissed.

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"Legion" is based from the Marvel Comics series of the same name that centers on David, the son of Professor Charles Xavier and Gabrielle Hunter. According to Comicbook.com, David is regarded as one of the most powerful mutants in the universe, and is categorized as an Omega level mutant; however, his multiple personalities make his powers somewhat unstable.

In the FX adaptation of "Legion," David is diagnosed as schizophrenic and has been "in and out of psychiatric hospital for years." However, his stranger encounter with a fellow patient leads him to the realization that the "voices he hears and the visions he sees" are not mere hallucinations, but are in fact real.

"Legion" is executive produced by Noah Hawley of "Fargo" fame, together with the "X-Men" team Bryan Singer, Simon Kinberg, and Lauren Shuler Donner. Deadline reported that the series also stars Jeremie Harris, Bill Irwin, Katie Aselton and Amber Midthunder.

The series is produced by FX Productions and Marvel Television.

"Just as he did in reimagining Fargo, he is bringing an entirely new aesthetic and sensibility to the enormously popular and richly represented X-Men world," FX chief Nick Grad commented on Hawley's work on the series. "The pilot episode is stunning, driven by incredible performances from Dan Stevens, Aubrey Plaza, Jean Smart, Rachel Keller and the rest of the cast."

Singer also confirmed that "Legion" is part of the "X-Men" cinematic universe, but even so, the series "could exist entirely on its own." He also hinted working on another "X-Men" series which will "relate to future 'X-Men' movies."

"Legion" is expected to premiere early in 2017.