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There are dozens of solid story lines and characters that FOX could have spun out of the X-Men franchise for an ongoing TV series. They chose Legion, which airs tomorrow, Feb 8, on FX.

Legion is an odd, but bold choice. At best, he’s a tragic, multi-layered former supervillain with incredible powers. At worst, he’s yet another figure that demonizes those with mental illness. But either way, Legion is not a very well-known character, particularly if you haven’t been keeping up with Marvel comics in the last decade. We’re here to help.

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