James Earl Jones's estate allowed "Fortnite" to use the late actor's voice for its Darth Vader character. Epic Games had to issue a fix after it started cursing.

It didn't take long after Epic Games unleashed famous Star Wars Sith lord Darth Vader into the game Fortnite -- complete with the AI-enabled voice of late actor James Earl Jones for conversations with players -- for Vader to drop the F-bomb.

Epic Games got permission from James Earl Jones' estate to use AI for a conversational, in-game bot. However, it's making some potentially controversial comments.