The plot is quite interesting, the message of the movie is clear and precise. The humor is good, there are a lot of references, in general it's good. From the minuses I can note almost absent (or maximally imperceptible) soundtrack and graphics in some scenes as if from Mortal Kombat 10. That is, the characters look like computer models. Maybe there is some idea in it, but I didn't appreciate it (it seems that someone just didn't have time to finish the post-production). And in action scenes effects - my respect, everything explodes, lasers laser, buildings collapse, everything is very beautiful and realistic. And the characters are plastic.
In general, I can say that I expected a much bigger scope, not a little story about little Flash. Still I thought it was supposed to be Flashpoint, a global turning point in the whole DC universe (according to the comics version it was). But it was my expectations that were inflated, there was no actual premise to it.