James Gunn and Peter Safran have been placed in charge of rebooting the DC Universe with Superman: Legacy, and in doing so, are also introducing several other heroes to the big screen, so who is Hawkgirl? Hawkgirl is one of the heroes already confirmed to appear in the movie thanks to news broken by Vanity Fair. Superman: Legacy will introduce a Green Lantern, Mister Terrific, and Metamorpho in addition to Hawkgirl.