Blue Beetle introduces the cinematic version of Jamie Reyes, with much of the film focusing on his journey from an unlikely college graduate to a superhero. But the film also quietly does a lot of world-building to flesh out the history of the Blue Beetle legacy within its universe. In doing so, it might have also helped set the stage for the DC Universe to differentiate itself from the DC Extended Universe in the perfect way.
Source：https://www.cbr.com/blue-beetle-lore-teases-flesh-out-james-gunn-dcu/
