With Aquaman being a billion-dollar hit, it’s no surprise that Warner Bros. wants more waterworks from its DC Comics hero.But while any discussions of a direct sequel have not engaged on any sort of serious level by the studio, director James Wan or star Jason Momoa , with all the players seemingly intent on taking a breather and their time, there is talk of a spinoff.Warners has hired newbie scribes Noah Gardner and Aidan Fitzgerald to pen a horror-tinged script centered on the Trench, the deadly amphibious creatures seen attacking the hero and his love, Mera, in Aquaman.Wan and ...