Peter Craig: So we have a man riding a Rhino – that’s good – but I was thinking the film needed something grander for the next fight, like the chariots in the original.
Ridley: So what’d you come up with?
Peter: Okay brace yourself… sharks. Sharks and boats instead of chariots.
Ridley: … Sorry, what? In the Colosseum?
Peter: Yeah, it’ll be filled with seawater – cool right? There’ll be like five great whites swimming around, and when men fall…