Where Were Mutants & The X-Men Before The MCUs Phase 4? Convincing Marvel Theory Explains

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Marvel Studios' mutant characters were missing for most of the MCU, but a new theory could explain exactly why prior to the release of the MCU's X-Men reboot. One of the most exciting things about the MCU's upcoming adventures is the fact that mutant characters from Marvel Comics, including the cornerstone X-Men team, are set to be introduced. 20th Century Fox's X-Men franchise previously debuted many of these characters in live-action, but Marvel Studios will firmly bring them into the world of the MCU, though the question of where they've been until now remains unanswered.
Kai Young

Where Were Mutants & The X-Men Before The MCU’s Phase 4? Convincing Marvel Theory Explains

Mutants first appeared in the MCU in Phase 4.

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