Origin of Avengers: Endgame's 'I Love You 3,000' Line Revealed By Writers

Robert Downey Jr as Iron Man and Avengers

Warning: This article contains SPOILERS for Avengers: Endgame.

Avengers: Endgame has a lot of memorable lines, but one that garnered a lot of traction online is the quote "I love you 3000," which apparently was inspired by Robert Downey Jr., say writers Christopher Markus and Stephen McFeely. Culminating MCU's The Infinity Saga, the latest Marvel Studios flick also marked the end of some of its founding heroes' respective journeys, including Tony Stark/Iron Man. Downey, who kicked off the universe alongside director Jon Favreau in 2008's Iron Man, had played the character in 10 films, and each time, he brings his A-game, But his latest outing as the genius billionaire might just be his best.

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Capping of Stark's long stint as a superhero in a poetic way, MCU's inaugural hero died a hero when he sacrificed his life in order to take down Thanos and ensure the future of the universe. But before his emotional demise that even included an all-star funeral, Endgame devoted a significant amount of time building up to his end. Jumping five years ahead, the film reveals him settling down with a family and a daughter, named Morgan - a direct pull from his and Pepper's conversation at the start of Avengers: Infinity War. The father and daughter have a couple of adorable moments in the movie, but one that stuck to fans is their final exchange. While tucking Morgan to sleep, Stark tells her, "I love you tons," to which his daughter replies, "I love you 3000."

Related: Katherine Langford Isn't In Avengers: Endgame - Was She Playing [SPOILER]?

When asked about the origin of the line during a conversation at the 92Y hosted by New York Times' reporter Dave Itzkoff which Business Insider attended, Markus and McFeely shared how that exchange came to be. Apparently, the script originally went "I love you tons. I love you tons." However, Downey, who actually tell his real-life kids "I love you tons" shared that his children reply with "I love you 3000" which they adopted. The actor has three kids, and it wasn't clear which one of them he has this exchange, nevertheless, it's obviously an important line to him that's now immortalized in Endgame.

This is not the first time that an iconic line from an MCU film had a fascinating origin. Thor: Ragnarok's dialog "he's a friend from work" - a quote that Chris Hemsworth delivered upon realising that he's pitted against the Hulk in the gladiator battle in Sakaar, came from a Make-A-Wish kid visitor on the set who suggested the piece of dialog. Director Taika Waititi and the actor moved forward with it as it actually makes sense given the situation between the co-Avengers.

As for the "I love you 3000" line, the phrase is now used online by fans of the MCU who express their love for the franchise, particularly for Downey and Stark. Avengers: Endgame wrapped up the arc of the universe's inaugural hero in such a satisfying way. And while it's bittersweet seeing him die, it's the best send off  for the character as it's in the service of everything that he's been through in the last decade. The fact that the dialog has personal meaning to Downey is perhaps one of the reason why the execution of Tony's back-and-forth with Morgan resonated this much to fans.

More: Avengers: Endgame's Post-Credits Surprise Explained

Source: Business Insider

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