In January of 2023, James Gunn and Peter Safran rolled out to the world their vision for the new “DCU,” a fully connected movie and TV universe based on DC Comics characters that would be a fresh starting point with a new tone compared to what had been done previously. If it sounded familiar, it’s because it was the second time DC had attempted to announce a fully mapped-out universe of movies, sequels, spinoffs, and TV shows. The success of Zac…