In my opinion, Red 2 is better than its predecessor. You get a lot of the same quirky humor with John Malkovich being his wondrous self, and returning a large cast of characters from the original. It was totally unrealistic, with things blowing up all over, yet it was wildly entertaining.
Parent's note: There is plenty of violence and some profanity in this film. Though most of the violence is gory, there is quite a bit of it. That's why I suggest to keep the young ones away from this.