One thing I'm wondering is if we're going to get superhero fatigue in the coming years? There's only so many blockbusters about heroes saving the world against an evil threat that people can take after so long and I just don't see this lasting much longer (Especially as Fox and Sony are going to go all in with the superhero licenses they still have.)
Yes and No. I think the fatigue with these type of superhero movies is that we've been only seeing movies based off Marvel properties. Hence I understand why Warner Brothers, Sony and Fox want to ramp up their products.
Though to be honest, Sony doesn't have a whole lot going on right now: They gave on Ghost Rider, Amazing Spiderman 2's reception has done more harm than good which is why many Sony SH projects are in limbo right now (Sinister Six movie, ASM 3 & 4, Venom movie). Fox has X-Men locked down tight and they still wanna have another go at Fantastic Four.
Warner Brothers announcement has me curious 'cause for the moment, seems to have more diversity than Marvel's current lineup.
The solo movies sandwiched between BvS and JL: Part I & II seem to be a clear way to reserve enginneer their way into having a shared universe and open them up for solo movies.
Batman vs Superman will introduce Wonder Woman, Cyborg and possibly Aquaman, making them game their own solo movie, instead of making solo movies first, then setting up a team.
2016 still feels so far away. Hopefully we'll start getting more info on that Suicide Squad movie.