Who is the Justice Society - Meet the Black Adam superteam

gamesradar.com:

The Justice Society of America is the first superhero team in comic books, founded way back in 1940, with a legacy that stretches back over 80 years in both the DC Universe and the real world. And now, after all that time, a version of the team is finally coming to the big screen as part of Black Adam, which adapts a seminal story in the JSA's modern history. 

Outside of comics, the Justice Society has often been overshadowed by its more famous successor team, the Justice League (as in Superman, Batman, Wonder Woman, Flash, Aquaman, and dozens of others over the years). But the foundations of the shared DC Universe lie with the JSA, as well as the origins of the DC Multiverse/Omniverse. 

Now that the team is coming to movies and returning in comics at the same time, there's more reason than ever to dig into their history, both with Black Adam and the DC Universe at large, including who's part of the team, who their enemies are, and what their real relationship is with the Justice League.

The original JSA were introduced by writer Gardner Fox, who conceived the team alongside editor Sheldon Moldoff and artist Everett E. Hibbard in All-Star Comics #3 (opens in new tab), cover dated winter 1940/1941. Interestingly, Fox is also the writer who created the Justice League of America almost 20 years later, and who first introduced the idea that the JSA and JLA live in two different timelines of the same Multiverse - but more on that later.

Back in 1940, the original JSA consisted of most of the biggest heroes of National Publications (the name DC went by in the Golden Age) as well as some characters published by All-American Publications (which was later absorbed into National), including founding members Hawkman, Dr. Fate, Dr.