Rushed story, with weak character development. Feels like a finale CW episode series honestly they're much better.
The humour and corny jokes felt forced and unnecessary, the camera angle felt like go pro camera attached to their head cap too close to the faces.
The scientific liberty was at its highest which felt cheap, I mean the villain was so powerful that he can create his own portals to a different dimension with a black hole in it, clone ppl, he can stop the black hole invasion with just typing and inserting codes 🤷🏻
James Gunn should stick to characters like Lobo, Booster Gold, Beast boy, Bizzaro, Guy Gardner etc. Never ruin powerful characters like Superman just to show that he's a human, nope he's not a human and can never be