Joker is an original, standalone story. Arthur Fleck (Joaquin Phoenix), a man disregarded by society, is not only a gritty character study, but also a broader cautionary tale.ExtrasBecoming Joker - Watch the haunting evolution of Arthur Fleck to Joker with this peek into the costume test process.Joker: A Chronicle of Chaos-Through a series of photos shot on-set, explore the production of Joker through a new lens.Joker: Vision & Fury-Todd Phillips, Joaquin Phoenix, and others take you inside the seedy underbelly of their Gotham for this comprehensive look at the making of Joker.