The 'I Love You 3000' meme stems from a heart-wrenching scene in the 2019 blockbuster 'Avengers: Endgame,' where Tony Stark (Iron Man) and his daughter, Morgan, share a tender moment before bed. Morgan tells her father she loves him 'three thousand,' a phrase reportedly inspired by Robert Downey Jr.'s real-life interactions with his children. This line quickly became the emotional cornerstone of the film and a defining tribute to Iron Man's legacy. In internet culture, the meme is used both sincerely to express extreme affection and humorously to exaggerate one's love for mundane objects, hobbies, or fictional characters, serving as a versatile template for anything worth '3000' units of love.