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Movie franchises dedicate an incredible amount of time and energy to developing universes, with histories, characters, and convoluted explanations for plot holes. Which makes it all the more confusing when a sequel or prequel somehow manages to contradict or undermine its characters anyway.
If you need evidence of that, look no further than this collection of prequels and sequels that ignore, undermine or even openly contradict what's been established about the characters in them. Our thanks to QuintonDarby for thinking up this image feature. And any potential sequels.