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The leaked visuals insinuate that there could be a shift toward Doom taking on the mantle of Iron Man following Stark's death, as seen in the Infamous Iron Man comic series where Doom seeks redemption. This evolution would not only provide narrative continuity within the MCU but also invite viewers to witness a beloved character's transformation.
The opportunity to explore such arcs, where Doom confronts his past as he takes responsibility for a world in need, positions him as potentially one of the most compelling characters in upcoming films.