Originally Posted by roach
Yes it would be the resolution of the great (we don't know if its the only one) Supes/Bats movie. They will still get a resolution. Just like the end of BB…there was a resolution and then they teased Joker. This movie would be no different.
It is different though. The Joker is Batman's main villain. Introducing him still keeps thoughts with Batman and his future interactions with his main villain. It doesn't change the sequel from what it was: A Batman sequel. Introducing Flash and Wondy changes this from a Bats/Supes movie to Justice League Begins and that's where peoples' thoughts will be.