I did not care for all of the naked and underwear views in it. And the jokes were constantly flat. The CGI was way too obvious. The storyline was good but it just wasn't made well.

I felt to much of the original storyline was changed

The Flash is the DC contribution to the multiverse fad that all superhero movies must now incorporate. Which is sad because the foundation of the flash character and the foundation of this movie was a warm hearted story of a man losing his mother and subsequently his father and learning how to cope.\rUnfortunately this movie got so wrapped up in incorporating all of these cameos if loses all heart

Playing the nostalgia game is a popular strategy these days, but The Flash was incredibly unoriginal in its execution, it missed the mark in distinguishing itself. The multiverse and time hopping plot was recycled and predictable. The cameos were gimmicky and the AI/uncanny valley Reeves in particular felt unnecessary. A lot of talent went underutilized due to poor writing. Parts were fun, though.