If you liked the first 3, you'll like this one. If you didn't like the first 3, then skip this one. It's that simple. The critics don't like this one not because it's bad, but because it's very much the same formula as the others (including a low-level bad guy who meets a very nasty end at the hands of nature and the main bad guy who gets caught by his own hubris). Critics tend to hate sequels because they think they deserve something new. So don't worry about what critics say. Read the first paragraph above.