In which film did Arnold Schwarzenegger say "I'll be back" for the first time?

"I'll be back" is a catchphrase associated with Arnold Schwarzenegger, which he first used in his role as the title character from the 1984 science fiction film "The Terminator". Schwarzenegger uses the same line, or some variant of it, in many of his later films.

"The Terminator" was directed by James Cameron. It stars Arnold Schwarzenegger as the Terminator, a cyborg assassin sent back in time from 2029 to 1984 to kill Sarah Connor (Linda Hamilton), whose son will one day become a savior against machines in a post-apocalyptic future. Michael Biehn (plays Kyle Reese), a soldier from the future sent back in time to protect Connor.

"The Terminator" topped the US box office for two weeks and helped launch Cameron's film career and solidify Schwarzenegger's. It received critical acclaim, with many praising its pacing, action scenes and Schwarzenegger's performance. Its success led to a franchise consisting of four sequels, a television series, comic books, novels and video games.

Arnold Schwarzenegger is an Austrian-American actor, filmmaker, businessman, investor, author, philanthropist, politician and former professional bodybuilder. He served two terms as the 38th Governor of California from 2003 to 2011.

Schwarzenegger gained worldwide fame as a Hollywood action-film icon. His breakthrough film was the sword-and-sorcery epic "Conan the Barbarian" in 1982, a box-office hit that resulted in a sequel.