We also know that Artemis, Nightwing, Aqualad?, and Superboy are returning.
Things I am personally hoping to see in this upcoming series, either this season or in the distant future:
The return of Miss Martian, Kaldur’ahm?, Red Arrow, Zatanna, Bumblebee, Barbara Gordon, Guardian, Rocket, Cheshire.
Wally West revealed to be alive and returned.
Blue Beetle and Impulse as a couple a.k.a. Bluepulse!
Closure from last season’s Darkseid plot-line.
Involvement of the Justice League and continued changes to the roster.
Meet previous members of the Team that had left since the last time jump: Troia (Donna Troy), Robin (Jason Todd), Sergeant Marvel (Mary Bromfield) Lieutenant Marvel (Freddy Freeman), and Tempest.
The introduction or cameos of new superheroes: Cyborg, Vixen, Starfire, Raven, Supergirl, Fire, Ice, Firestorm, Cassandra Cain, Booster Gold, Vibe, Zachary Zatara, Ryan Choi, Katana, Batwoman, Huntress, The Question, Etrigan, Secret, Jessica Cruz, Simon Baz, Kyle Rayner, Khalid Ben-Hassin.
The introduction or cameos of new villains: Brainiac, Solomon Grundy, Trigon, Doomsday, Sinestro, Reverse Flash, Scarecrow, Catwoman, Harley Quinn, Killer Croc, Man-Bat, Giganta, Cheetah, Merlyn, Silver Banshee, Livewire, Volcana, Toy Man, The Shade, Major Force, Atrocitus, Star Sapphire, Circe, Ares, Deadshot, Black Hand, General Zod, Blackfire, Granny Goodness, Crime Syndicate of Amerika
i’m sending a care package to mars in case m'gann is there. it’s cookies and some warm fuzzy socks. i don’t have a rocket so i’m just gonna stand on my roof and throw it really hard at the sky. wish me luck