These are things that DC and Warner Bros. will discuss at a later time, when they are ready to make their announcements.
DC cinematic universe (unofficially known as the DCEU) are 100 percent connected to each other.
Geoff Johns assuages fans by affirming that the movies in Warner Bros.’
Johns’ comments could have been interpreted as him saying that DC and Warner Bros. don’t want to restrict themselves too much when it comes to continuity, but that’s actually not what Johns meant at all.