Mariella was a human who was the girlfriend of Roberto da Costa.
Mariella hailed from Brazil along with her boyfriend Roberto da Costa. While they were together, Roberto's mutant powers manifested and she was incinerated. Her death traumatized Roberto and had made him distant since then.
- In the comics, Roberto's girlfriend was named Juliana Sandoval and was not burned to death by Roberto, rather she threw herself in front of a bullet that was intended for him.
Behind the scenes
- Mariella's actress is uncredited despite her image being shown and her manifesting physically in the film.