Depends on the version of superman.
Gogeta would win that one.
gogeta would smash him
Gogeta even in his normal form.
Wrong. Ultimate Buu would win. Gogeta has a weakness like Gotenks & he's weaker than Vegeto. SSj3 Gotenks is little close to Gogeta's power. Plus Gogeta is in the movies , not the show.
Superman would win.
Superman would win
If you mean win then Goku would win.
Super Gogeta with ease.
Who would win between Saiyan 4 Gogeta and Legendary Super Saiyan Broly is Saiyan 4.
Superman
Superman