The 'I'm a Legend, Thanos' meme format draws inspiration from the imposing presence of the Mad Titan in the Marvel Cinematic Universe. While Thanos is famous for his 'I am inevitable' line, the 'Legend' variation has become a popular way for internet users to mock their own perceived greatness or celebrate minor personal victories with extreme dramatic flair. It typically features Thanos in a position of power or reflection, used to represent someone who has just performed a task they believe to be of epic proportions—even if it's just finishing a chores list or winning a video game match. The meme thrives on the contrast between the world-ending stakes of the Avengers movies and the trivial nature of everyday life.