I watched John Carter for the first time (on Disney+) and had some thoughts. Film buffs like to talk about John Carter. The movie was supposed to be a big new franchise for Disney, but it became a famous bomb. I don’t think it was poor marketing. Good word of mouth can outdo mediocre advertising and reach. That’s what happened with War Horse and The Greatest Showman and The Blind Side and the new Jumanji and especially Iron Man — no one expected much out of superhero movies after the Incredible Hulk and Fantastic Four duds. I don’t think it was a lack of star power. I don’t go to…