The Challenger's New Name is Grandmaster Prime

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Challenger (Elder of the Universe) (Earth-616)

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Challenger (Elder of the Universe) (Earth-616)

Who would win in a fight, the Hulk or Grandmaster Prime? - Quora

Challenger (Elder of the Universe) (Earth-616)

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Challenger (Elder of the Universe) (Earth-616)

LS on X: Got grandmaster on KR, will keep playing for current LP