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Legion has swiftly become one of this year’s biggest surprises on television. Its debut season has built a compelling ensemble cast of mutants centered around troubled telepath David Haller, known as Legion in the Marvel comics.
While the main plot began with David on the run from mutant-hunting agency Division Three, the real Big Bad was allowed a much more gradual and sinister reveal. Last week’s episode provided a surprising name drop and firm reveal: the grotesque figure seen hovering near the periphery of David’s mind’s eye is the Shadow King, a powerful X-Men villain, and he has his sights set on David.
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