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A fan suggested that James Gunn replace Bradley Cooper, who voice Rocket in the first film, with Danny DeVito in the upcoming sequel. “Not gonna happen,” Gunn replied. “In all honesty, Danny DeVito is one of the voices we tried out, but Danny DeVito is an older man now and Rocket is not an older man, he’s a younger man. And Danny DeVito’s voice just wouldn’t work.”

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