Cracked pays people to make smart memes. Visit the Photoplasty and Pictofacts Workshop to get in on it.
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 ruin 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.