Which 7* to r3 skill

Developer69

Dont have much options
Masacre
Gwenpool (on the way)
Attuma
Mantis

Pikolu

Masacre is really good, I'd do him

Polygon

Only if hes duped do masa

JLordVileJ

Gwenpool lol

Logan00

Depend if you have already good defenders, if you don't, I would go Attuma

Theruneking

Mantis nukes.

SkyLord7000

Elsa?

phillgreen

For a valiant rankup, masacre.

For a random rankup, none of them.

Terminatrix

Not bad, but maybe wait for better if you don't NEED to rank anybody right now.

BeastDad

Masacre