Cover art for "Star Wars: Dark Droids: D-Squad #1." (Image credit: Marvel Comics) Artoo's new roster of adventurous droids rounded up to clash with the Scourge includes IG-88, 4-LOM, WAC-47, BT-1 ...

Star Wars, which was released 40 years ago this month, is practically the definition of a pop culture game-changer. Whether the change was good or bad is another matter.