The same rules you applied for not choosing The Two Towers or The Return of the King also precludes me from saying The Four Musketeers is a great sequel to The Three Musketeers (I'm talking about the Michael York films from the early 1970s). It is a great sequel, but it was filmed at the same time as the first film, and together they really constitute one long film. But I am always happy to find an excuse for talking about those great movies.