Aquaman's funny and fun superhero can do little to rescue a laboured movie

Aquaman soon starts resembling an underwater video game - the realism of it all gets deluged by a laboured plot. It's almost like staring at a giant, garish fish tank

Jason Momoa as a professional swimmer would be a calamity. He’s too, too big. And while the strapping frame is mighty, it won’t quite allow him to string together three consecutive strokes in the pool. None of that, of course, matters in the DC universe, where Momoa is the tattoo-clad, bare-chested Aquaman, the amphibious superhero who is out to save the world from underwater royalty whose preferred mode of travel are neon seahorses. And for the record, it’s pronounced “Aa-qua-man”.

Momoa is not new to the superhero game; he previously turned out in Batman v Superman: Dawn of Justice (2016),