Maybe, rumors state that MoS will carry over to the new continuity, but BvS and JL won’t. Best I can see Cavill getting is a supporting role in Supergirl and even that is incredibly unlikely at this juncture. Right now I think he’s going to be dropped same as Routh was, dude screwed himself out of the role by not agreeing to do cameos.
If WB thinks they can just swap Batman and Superman out for Batgirl and Supergirl, they’re delusional to say the least. You’re never getting a JL movie that makes Avengers level money without those two. Hell who knows if WW will be usable either, maybe Gal will be done completely after WW3.lol. WB logic.
"Oh we need to reach more demographics than what the classic Superman/Batman would reach? Gender swap Superman and Batman. Want to reach even further and make a statement? Black Superman/Clark Kent!"
Whatever happens they are not moving away from Superman and Batman.
He’s been that since Superman Returns, but I’m not envisioning him as a lead of a solo or whatever. He could do what WB wanted Cavill to do and what Keaton is doing: cameo in other peoples movies. Could even be the guy Black Adam beats up. Not saying I want this I’m just shocked WB seemingly didn’t even consider it.