What we have here is a rousing boy's adventure story, adapted from stories that Edgar Rice Burroughs cranked out for early pulp magazines. They lacked the visceral appeal of his Tarzan stories, which inspired an estimated 89 movies; amazingly, this is the first John Carter movie, but it is intended to foster a franchise and will probably succeed.
Roger EbertAll over the web there are some very good critics and it's become for people who are interested. It's become a very good way to get to reviews and involve yourself in discussions.
Roger Ebert