Trailers of the week: Minecraft, Elio, and Alien: Earth A still from the latest A Minecraft Movie trailer. | Screenshot: YouTubeThis week, I went to a theater to watch a showing of the black-and-white version of Johnny Mnemonic, starring Keanu Reeves. Old-heads like me may recall it as a bad mid-90s cyberpunk film (written by William Gibson!) about a data courier whose brain is the storage medium, bu…