While the Marvel Cinematic Universe has pulled the vast majority of its characters from the pages of Marvel Comics, there are a few who have made the same leap in the other direction. Unsurprisingly, these transitions come with a few changes along the way. Unfortunately for the Scarlet Scarab, the changes to her comic book origin have a profound effect on how far she can truly spread her wings. Although they might also make Moon Knight's world bigger than it has ever been before.
Source:https://www.cbr.com/moon-knight-mcu-scarlet-scarab-new-origin/