Shazam (Parallel Earth): Coming from the very parallel earth Green Arrow and Black Canary came from, Shazam will be part of Jaune's new squad known as Super Freedom Squad.

Red Robin (Parallel Earth): Coming from the very parallel earth Green Arrow and Black Canary came from, Red Robin will help Jaune and his group to protect the world from Superman.

Nightwing (Parallel Earth): Coming from the alternate universe where Starfire and Batgirl died, Dick Grayson will be part of Jaune's team and hopefully find love in his heart again.

Black Canary: It's revealed that she was sent to the parallel earth by Doctor Fate. Now she returns to her world to help the Insurgency to bring down the Regime once and for all.

Firestorm: Despite Jason Rusch and Martin Stein not synchronizing well, they have one thing in common: defeat Superman and prevent his return to power.

Blue Beetle: Jaime Reyes knows how much power corrupts, especially after witnessing what happened during the Regime.

Starfire: Still missing her Nightwing, she has a chance to find love again as the parallel Nightwing comes in.

Green Lantern (John Stewart): Presumingly backstabbed by Sinestro, John Stewart is found and revived by an unknown entity. He will now help Jaune and Batman to defend the world.

Black Lightning: After the defeat of Superman, Jefferson Pierce joins Jaune and his group and thanks them for saving his children Anissa and Jennifer from Superman's wrath.

Vixen: After being saved by the Shinkengers, she joins Jaune and his group and starts a romantic relationship with the revived John Stewart.

Should I add some Kamen Riders? If yes, which ones?