Superman features a stacked cast of well-known actors portraying iconic DC superheroes, one of whom is rising star Isabela Merced, who plays Hawkgirl. No stranger to the superhero genre, the Madame Web star was very excited about joining James Gunn’s highly-anticipated take on the Kryptonian, but perhaps too much so. Before cameras even began rolling, Merced recalled accidentally leaking a spoiler from the DCU film.