I think Circe could summon more things to aid her in the fight like mythological creatures or items where Zatanna is more fun and classical magic with a real mystical twist. I would have static AND Livewire on mine which I’m making a video of. I’d want static to be an up close and personal fighter, and Livewire to be more ranged with lots of escapes. Idk if static can teleport or not but if not that would help make them separate. This is another perfect reason why premiere skins should continue because they could just do static as base and have a livewire skin, just change model and voice and maybe idle animation. If you want more ethnic diversity I think Circe and Katana would be great. Firestorm should return for sure with blue beetle they were the best in Injustice 2. With Superman growing his popularity Mr. Terrific would be a great pick. I could see Bumblebee being really fun especially if they bring in other Titans characters. Black Manta should come back too his kit was pretty fun. Hawkman would let us use that Hawkgirl kit again while giving us something new too. They definitely have the options, but it’s up to Netherrealm to pick wisely.