JL References exists within one of the Earth in the multiverse of DC Comics, Earth-44. It is something I thought of after spending years learning about DC comics & seeing people's new take on it. Earth-44 is not somewhat canon but many things are not as this is based on my own personal take. In short terms, welcome to E-44.
Also a big HUGE credit to E27, created by Roysovitch & phil-cho.