What happens to the Original Justice League members in the future? #batman
What Happens to the Original Justice League Members in Batman Beyond Timeline?
Superman: Superman is Still Apart of the Justice League, and still has a leading role. He even invites Terry to join the league.
Batman: Bruce Wayne retired many years ago, but now acts as a Mentor for Terry as he now holds the mantle of the Bat.
Wonder Woman: In the Static Shock Episode: Future Shock, Wonder Woman is mentioned as still being an active member, but she is never shown on screen.
Flash: We have no specific answers, some believe he became one with the Speed Force, others think he is still an active member, if you count Justice League Beyond then Wally West has passed and replaced with Danica Williams.
Green Lantern: John Stewart is retired and is replaced by Kai-Ro, He also has a Son Rex Stuart Better Known as War Hawk.
Hawk Girl: Speaking of Which: War Hawk’s Mom is also Hawk Girl who is retired and he is filling the role for His mom.
Martian Man Hunter: We are not sure if J’onn J’onzz died during the Watchtower's destruction as War Hawk mentioned in an alternate timeline, but He is not mentioned in any future episodes or references, so this is a possibility.
Aquaman: Aquaman While he isn’t a founding member, I wanted to note that he is missing and no one knows if he is dead or alive, but he is replaced with his daughter Aquagirl.