While Warner Bros. is about to release the colorful, family-centric DC adaptation Shazam!, the studio has a very different kind of DC Comics movie on tap later this year: Joker. The 1981-set film is described as a one-off, standalone adaptation of the iconic Batman villain with Joaquin Phoenix taking on the titular role, and co-writer/director Todd Phillips has shared a new look at Phoenix in character. Phillips is knee-deep in the editing phase at the moment, and took a minute to share a snap of Phoenix as Arthur Fleck, who subsequently turns into the …