Not everyone who joins the Justice League wants to join the Justice League.
DC decided to get a new Green Lantern in the 90s.
A gritty sci-fi remake of Green Lantern? Why not?
The Green Lantern Corps were lost with the exception of Hal Jordan before Rebirth. They return here in all their cosmic glory.
When the Justice League was funny, it was supposed to be tied to the United Nations. That meant it actually had to have
The Justice League was originally DC’s premier super team, the big guns team you called in when really serious problems that even Superman (theoretically)