Depends on which version of superman you are talking about.
Super Saiyan
Depends on the version of superman you are using.
vegeta ssj 2
Depends on the version of superman.
gotenks would destroy pikachu!
superman
if gotenks made him made super saiyan 3 wouldn't matter because gohan would be as strong as gotenks super saiyan 3 plus teen gohan rulez
Super Man
Depends on the version of superman you are using.
Superman.
Who would win between Saiyan 4 Gogeta and Legendary Super Saiyan Broly is Saiyan 4.
chuck Norris