Looking back at the fall of the DCEU, the main problem was that Warner Bros. was so eager to play catchup that they rushed the execution. Instead of establishing characters individually that would stand on their own, they went from Man of Steel to Justice League in the span of basically three movies—Man of Steel, Batman v Superman, and kind of Wonder Woman (Suicide Squad was kind of irrelevant to the formation of a DCEU, and probably would have been stronger as a standalone side project that could test the waters of a less-connected universe). While Justice League …