Format: 4K UHD Blu-ray. Title: Thor: Ragnarok. 4K Ultra HD + Blu-ray + Digital. In his quest to find his vanished father Odin (Anthony Hopkins) with the coerced aid of treacherous brother Loki (Tom Hiddleston), Thor (Chris Hemsworth) finds himself waylaid in space and conscripted into the gladiatorial pens of the Grandmaster (Jeff Goldblum).
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