I finally got round to seeing John Carter -- I'll post my thoughts on it in the near-ish future -- but whether one thinks it's fair that it'll likely be remembered along with last summer's Conan the Barbarian as yet another failed attempt to bring a classic pulp fantasy character to the screen is now academic. According to news stories, Disney is claiming that it'll lose $80-120 million dollars on the movie, making it (in the words of the linked article) "one of the biggest flops in cinema history." That all but guarantees we won't see another Barsoom movie anytime soon.
Again, leaving aside my (very mixed) feelings about the movie, I have to wonder: why the heck did John Carter cost so much? I mean, I've seen estimates that claim the film cost upwards of $250 million to make and up to another $100 million to market. Unless they were actually shooting on location on Mars, that's just insane. The mind boggles.