Avengers: Endgame, the culmination of over a decade of Marvel Cinematic Universe storytelling, was one of the biggest movies of all time, both in terms of its epic scope and its box office success. The film was released in theaters worldwide in April 2019, and went on to shatter numerous box office records.

Within its first weekend of release, Avengers: Endgame grossed a staggering $1.2 billion worldwide, making it the biggest opening weekend in cinema history. This included a record-breaking $357 million domestic opening in the United States, surpassing the previous record holder, Avengers: Infinity War.

By the end of its theatrical run, Avengers: Endgame had grossed over $2.798 billion worldwide, surpassing James Cameron's Avatar to become the highest-grossing movie of all time. The film also broke numerous other records, including the fastest movie to reach $1 billion worldwide (in just five days), and the highest-grossing movie in the United States and Canada ($858 million).

The massive success of Avengers: Endgame can be attributed to several factors, including the film's status as the conclusion of the Infinity Saga storyline, the return of beloved characters, and the anticipation built up by the marketing campaign. The film also benefited from positive reviews from both critics and audiences, with many praising its emotional depth, epic action sequences, and satisfying conclusion.

The box office success of Avengers: Endgame has also had a significant impact on the film industry as a whole, with other studios looking to replicate its success by creating their own shared cinematic universes. The film's success has also helped to cement the popularity of superhero movies, which continue to dominate the box office in the years since its release.

In conclusion, Avengers: Endgame was a massive box office success, grossing over $2.798 billion worldwide and breaking numerous records in the process. Its success can be attributed to a variety of factors, including its status as the conclusion of the Infinity Saga storyline and the positive reception from both critics and audiences. The film's impact on the film industry as a whole cannot be overstated, and it will undoubtedly be remembered as one of the biggest movies of all time.