I don’t think in batman there is such a face off between a villain and 100s of cops.
Still, can’t he run fast enough to past that area ?, He was fast enough to dodge bullets, make his body vibrate to take of the tricksters gadget but not fast enough to beat the cold which is being spread by air ?
umm - well … this kind a answer can be given to all problems 
Okay, thats a good answer. But still …
Okay. yeah that can make sense too
I don’t think they are going to do Flash Point Paradox here. They will definitely do the timetravel but flashpoint paradox will be a different pandora box that they might not open. I could be wrong. But lets see what are the up to on the finale. The trailer did show that he is going back in time to save her mom. but lets ee.