Honor Among Thieves

In the Free Association post below, I talk about how Are We Done Yet? is, as the AV Club put it, "a remake and a sequel, but not a remake of a sequel."

After giving it a bit of thought, I remembered that one of the big reasons Ocean's Twelve was an incoherent mess is that it "was based on a spec script by George Nolfi called Honor Among Thieves that was originally intended to be directed by John Woo." That is, it wasn't written as an Ocean's sequel, and was significantly rewritten to include the previous characters.

This isn't exactly the same as Are We Done Yet?, which was the remake of a completed film and not just a script, but it made me curious about other sequels that began life as other works. So I asked Metafilter:

http://ask.metafilter.com/90221/Sequels-That-Didnt-Start-Out-As-Sequels