"Endgame" is not a true story; it is a fictional narrative set in the Marvel Cinematic Universe (MCU). Specifically, "Avengers: Endgame," released in 2019, serves as a sequel to "Avengers: Infinity War" and culminates the arcs of various superhero characters. The film involves time travel, battles against the villain Thanos, and themes of sacrifice and heroism. While it incorporates elements of character development and emotional depth, the overarching plot and characters are entirely fictional, created for entertainment.

"Avengers: Endgame" is highly regarded for several reasons. It masterfully concludes over a decade of interconnected storytelling in the Marvel Cinematic Universe, delivering emotional payoffs for beloved characters. The film features a compelling narrative that combines action, humor, and heart, with standout performances from the ensemble cast. Its innovative time travel plot creatively revisits key moments from previous films, enhancing nostalgia. Additionally, the stunning visuals, epic battles, and themes of sacrifice and teamwork resonate deeply with audiences, making it a cinematic landmark.

"Avengers: Endgame" is a major hit, both critically and commercially. Released in April 2019, it became the highest-grossing film of all time, earning over $2.798 billion worldwide, a record it held until "Avatar" was re-released in 2021. The film was praised for its storytelling, character arcs, and emotional depth, concluding the Infinity Saga of the Marvel Cinematic Universe. It received numerous accolades, solidifying its status as a cultural phenomenon and a landmark in blockbuster filmmaking.

In "Avengers: Endgame," Thanos is ultimately killed by Tony Stark, also known as Iron Man. During the climactic battle, Tony manages to take the Infinity Stones from Thanos using his suit and uses them to snap Thanos and his army out of existence. This act leads to Tony's own demise due to the immense power of the stones, but it secures victory for the Avengers and restores balance to the universe.