The Arrowverse's Hawkgirl was limited to being Hawkman's inexperienced partner, and the next live-action Hawkgirl needs a new creative direction. Isabela Merced will play Hawkgirl in Superman: Legacy alongside multiple other DC superheroes. A new live-action adaptation of the winged heroine presents an opportunity to solve the problems of her previous Arrowverse appearance.
Source：https://www.cbr.com/arrowverse-hawkgirl-problematic-dcu-do-better/
