Her powers are much different, and they stem from her originally being written as a member of the Inhumans.

Source: https://www.cbr.com/ghost-rider-robbie-reyes-all-new-all-different-best-marvel/

Kidnapped by Kang as a child, he raised Ahura to be a living weapon, ready to strike at the Inhumans at any moment.

Source: https://screenrant.com/loki-strongest-best-variants-kang-the-conqueror-marvel-comics/

Over the years, the Avengers have welcomed heroes from all over the Marvel Universe, including mutants, Inhumans, magicians, and more.

Source: https://www.cbr.com/10-marvel-heroes-worthy-of-joining-the-avengers/

Previous C-listers like the Guardians of the Galaxy and yes, the Inhumans, get top billing.

Source: https://www.slashfilm.com/1420832/mcu-target-comic-book-x-men-how-they-survived/

The Inhumans show likely isn't canon to the MCU, but the Fantastic Four reboot can properly introduce them in a somewhat villainous capacity.

Source: https://www.cbr.com/fantastic-4-mcu-inhumans-villains/