Brian Tyree Henry portrays Phastos in the Marvel Cinematic Universe film Eternals (2021).

He is a third or fourth generation Eternal who chose to remain on Earth because of his obsessive search for an unidentified item or person.

[volume & issue needed] He continues to serve as the master technologist of the Eternal race, and it was his genius which allowed Virako to return from apparent death.

[volume & issue needed] Although he despises war, Phastos chose to follow Ikaris into battle against the minions of Apocalypse.

[7][9][10] Phastos carries a special hammer capable of firing bolts of an unknown energy and is a brilliant engineer, technologist and inventor.