The only 4 movies to ever hit $2 billion at the box office, including 'Avengers: Infinity War'

4. "Avengers: Infinity War" (2018)

3. "Star Wars: The Force Awakens" (2015)

Worldwide gross: $2,068,223,624

2. "Titanic" (1997)

Worldwide gross: $2,187,463,944

1. "Avatar" (2009)

Worldwide gross: $2,787,965,087