Watched this today. Besides the first trailer, I stayed away from everything else after that - didn't need any spoilers like BvS served up with the Ninja turtle and Eisenberger being annoying.
The back story stuff was cool and I thought the first third of the movie was nice.
What I didn't like was the back to front feel that I got: So Waller assembles the SS on the of chance a Superman-like figure goes rogue? Ok fair enough. However, was the SS really going to protect against someone with Supes powers?
Ok - so that was the rationale. No real qualms there - it's Hollywood after all.
Amidst all of that, Enchantress ends up going rogue, now Flagg uses the SS to covertly reach the top of the Trump tower to shut down another world engine and get Enchantress back? Ok cool, I get that too.
I feel that the rationale behind assembling the SS should've been to combat The Joker, or at least Enchantress once she had gone fully rogue.
I'm not too clued up on the comic thing, so maybe I've missed something??