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In this Back to the Future x Doom (2016) crossover, When an evil scientist from the UAC, Olivia Pierce, becomes controlled by the Spider Mastermind and attempts to alter humanity's past, it's up to an unlikely trio to set things right. Marty McFly and Doc Brown find themselves joining forces with the legendary Doom Slayer to stop the Spider Mastermind from manipulating the very fabric of time itself. As the team battles through rifts in time, deadly demons, and apocalyptic landscapes, they must work together to prevent the collapse of history. With the DeLorean's time circuits pushed to their limits and the fate of the timeline hanging in the balance, Marty, Doc, and Doom Slayer must confront an enemy with the power to erase them from existence. Can they reset the timeline before humanity's future is rewritten forever? Or will they be trapped in a never-ending war against time itself?