In two Sherlock Holmes films, Robert Downey Jr. turned the classic Arthur Conan Doyle detective into a particularly brutish intellectual; a man who can pivot from deductive reasonings to bare-knuckle boxing; less Benedict Cumberbatch, more Doctor Strange. And now Downey, having run the slow-motion calculations on his Marvel Cinematic Universe films, is ready for more. A lot more. In fact, per Fast Company, the actor-producer wants to turn Sherlock Holmes into a cinematic universe of its own. "Why do a third movie if you’re not going to be able to spin off into some real gems …