Meanwhile "Black Swan" actress Natalie Portman's Disneynature documentary "Dolphin Reef" will premiere alongside "Elephant" on April 3.
It was described in a short trailer posted online as following the journey of a family of elephants across Africa.
The footage, published by the Mail on Sunday in January, shows the duke and duchess talking to the film's director Jon Favreau as well as one of its stars Beyonce and her rapper husband Jay-Z.
While Meghan and Harry have not spoken publicly about their time in Canada, a source told Us Weekly that she loved her life here.
It was the second clip to emerge from that evening in which Harry highlights Meghan's abilities as a voiceover artist.
Prince Harry pointed to his wife and said: "You do know she does voiceovers?' A surprised Mr Iger replies: "I did not know that", before Harry continues: 'You seem surprised, she's really interested". That's a great idea, ' while Meghan, who was next to Prince Harry, continues speaking to Beyonce.
From April 1, the Meghan and Harry will officially start their new lives away from royal spotlight.