James Gunn has cast David Corenswet as Superman/Clark Kent and Rachel Brosnahan as Lois Lane in the upcoming film "Superman: Legacy." The movie will be the first in a new DC universe under Gunn and his DC Studios co-boss, Peter Safran. Corenswet and Brosnahan were chosen after a competitive casting process that included screen tests with Nicholas Hoult, Tom Brittney, Emma Mackey, and Phoebe Dynevor.