Which would be best out of the three champions

Shio

I already have a Vision so this one would be duped

Shivam868

silver surfer if you can dupe him,mantis if you learn her,vision if you want power control but imo the worst one out of the 3
silver surfer and mantis is the ideal choices for sure depending on your resources and needs

willrun4adonut

Since you already have vision (and sorry for already having vision).