James Gunn recently revealed the principal cast for the upcoming first movie in the new DCU, Superman: Legacy. The film -- which will kick off the rebooted DC Universe spearheaded by Gunn -- welcomes new Superman David Corenswet and a host of other DC heroes. Among the heroes set to appear in the film are Nathan Fillion as Green Lantern, Edi Gathegi as Mister Terrific, and Isabela Merced as Hawkgirl.
Source:https://www.cbr.com/isabela-merced-nearly-batgirl-before-hawkgirl/