The return of Yuri Boyka in Undisputed 5, as proposed by one filmmaker, could by the franchise's equivalent to Avengers: Endgame. The series officially got started in 2002 with the Wesley Snipes and Ving Rhames-led boxing movie, but the Undisputed franchise really took off a few years later with the 2007 straight-to-video sequel Undisputed 2: Last Man Standing.
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