That film was a significant cultural milestone in its own right, and it also largely thrived based on how separated it was from the rest of the DCEU continuity.
Granted, the Wonder Woman franchise is doing just fine with an established hero who has plenty of mainstream brand recognition, but Diana Prince’s formula for success arguably feels somewhat hard for other franchises to replicate.
Early glimpses have confirmed that it’s going all in on references to the greater DCEU lore, but with so little established big-screen mythology, David F. Sandberg and the team behind the movie can do a lot of different and exciting stuff with the titular hero.