I'm curious to see what sort of shoes the costume designer puts Clark in with his double breasted suit. Corenswet's grey, double-breasted suit with white shirt and dark tie seems to possibly be a George Reeves homage.
I'm guessing Clark will be getting some nice chunky American wingtips to go with it. Sometimes in the vein of the iconic vintage Florsheim Imperials:
Worn by guys like Dwight Eisenhower. Since Clark is wearing a purple tie, a classic but less common colour now like Oxblood would be cool and a subtle hint towards Superman's red boots: