A surprising MCU retcon is making Mysterio's lies in Spider-Man: Far From Home a reality, although it seems likely Spider-Man: No Way Home will ignore the issue. The Multiverse has become a central part of the MCU's Phase 4, but it was set up in the oddest possible way — courtesy of Mysterio, the villain of Spider-Man: Far From Home, who lied about originating from another universe.
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