Might want to prepare a coffin inside of you then.
Batman and Green Arrow both were good in both universes. Flash and Shazam at the very least started showing remorse for their actions as part of the Regime. We never see Injustice-world Joker, but he's clearly evil. So are Sinestro, Black Adam, Killer Frost and the likes. Catwoman still did her own thing and pursued Batman first and foremost. Ares was the same character across both universes.
So while plenty of characters were mirrored to be the opposite alignment, just as many weren't.