What's this about Chris Evans probably won't be going further? Did he say something?
He doesn't really like acting all that much anyway, especially if he's not the one behind the camera, and he's made several comments before about feeling locked in by Marvel's contract. After his deal is up, he wants to move more into directing.
If Evans does return to Marvel later on, I'm sure it'd be only a one-off or something small like that, not another six or even three-picture commitment.
TDKR already has too much damn FAT. It needed to lose the fat and use its runtime to its advantage. The fucking film goes for more than 2h40m and jack shit happens.
It needed to lose Catwoman. It needed to lose Blake and give Bruce the screentime his arc was badly screaming for. The film already felt bloated as is because so much of the runtime was squandered on garbage that just plain didn't matter.
Blake was needed. You may not have liked WHY he was needed, but he was integral to that story and to Bruce's arc (which I think received plenty of attention as is; then again I'm one of the crazy ones who don't think Bruce was some incredibly neglected character in TDK either).
Selina wasn't needed, though Hathaway is so surprisingly good in the role that I'm fine with it.