Makkari uses her speed to protect the innocent and fight Deviants. Makkari is deaf, she communicates entirely with sign language and facial expressions, and the other Eternals have no trouble understanding her.
Makkari was created by Jack Kirby, Joe Simon and Martin A. Bursten.
- In the comics, Makkari was one of the Eternals who was more involved in human history, protecting the Earth under the alias of the Roman god Mercury and a speedster vigilante by the name of Hurricane.
- Makkari is the first deaf character of the Marvel Cinematic Universe.
- Makkari is also the eleventh character in the Marvel Cinematic Universe to be depicted as a different gender from their counterpart in the comics.