I'll tell ya, when Sylvester Stallone is working with the right director, he can still deliver the goods as a movie star, as we saw in Ryan Coogler's Creed. Which is why I'm not so quick to dismiss his next project, Samaritan. Not only does the premise intrigue me, but Julius Avery (Overlord) just signed on to direct the film for MGM, and his hiring is already a step in the right direction. Announced earlier this year, Samaritan is a thriller about a young boy on a mission to discover whether a mythic superhero, who vanished 20 …