The 2021 American superhero movie Eternals is based on the same-titled Marvel Comics race. It is the 26th movie in the Marvel Cinematic Universe (MCU), distributed by Walt Disney Studios Motion Pictures and produced by Marvel Studios. Chloé Zhao, who co-wrote the screenplay with Patrick Burleigh, Ryan Firpo, and Kaz Firpo, is the director of the movie. Gemma Chan, Richard Madden, Kumail Nanjiani, Lia McHugh, Brian Tyree Henry, Lauren Ridloff, Barry Keoghan, Don Lee, Harish Patel, Kit Harington, Salma Hayek, and Angelina Jolie are among the ensemble cast members that star in it. In the movie, an immortal alien race known as the Eternals comes out of hiding to defend Earth against the Deviants, its archaic counterparts, after thousands of years.

In April 2018, Marvel Studios president Kevin Feige announced that a film based on the Eternals had begun development, with Ryan and Kaz Firpo hired to write the script in May. Zhao was set to direct the film by late September, and was given significant creative freedom with the film, which resulted in filming on location more than previous MCU films. Zhao rewrote the screenplay, which Burleigh was later reported to have also contributed to. Principal photography took place from July 2019 to February 2020, at Pinewood Studios as well as on location in London and Oxford, England, and in the Canary Islands.

Eternals premiered in Los Angeles on October 18, 2021, and was released theatrically in the United States on November 5 in RealD 3D, Monoscopic 2D and 4DX, as part of Phase Four of the MCU. The film has grossed over $281 million worldwide. It received mixed reviews from critics, who praised its themes and visuals, but criticized its exposition, pacing, run-time, and lack of character development.