As of February 2015, highest international grossing films are "Avatar," "Titanic," "The Avengers," "Harry Potter and the Deathly Hollows: Part II," "Frozen," "Iron Man 3," "Lord of the Rings: Return of the King," "Transformers: Dark of the Moon," "Skyfall" and "Transformers: Age of Extinction." Each movie grossed over $1 billion.
"Avatar" was released in 2009 and grossed over $2.78 billion internationally. It was written and directed by James Cameron, and it stars Sam Worthington, Zoe Saldana and Sigourney Weaver. On its opening weekend, it received a domestic gross of over $77 million out of over 3,000 theaters. It was in release for 34 weeks due to the overwhelming demand for the film.
The second highest grossing film is "Titanic," which is also written and directed by James Cameron. The film was released in 1997 and opened to over $28.6 million and appeared in 3,265 theaters. The film starred Leonardo DiCaprio and Kate Winselt as the two young passengers of the doomed ocean liner the Titanic on its maiden voyage. The film follows the two, one from the wealthy upper class and the other from poor working class, as they fall in love and lose each other amid the ship's tragic sinking.