This article contains minor spoilers for “Superman,” in theaters now. James Gunn has high praise for Bradley Cooper, which is why he needed him for a very important cameo in “Superman.” In the opening moments of the DC tentpole,

James Gunn is feeling “incredibly grateful” for the initial box office success of Superman and the positive reception from audiences. The filmmaker and co-head of DC Studios took to Threads on Sunday to express his appreciation after the superhero blockbuster saw an estimated global debut of $217 million .