FoadRezek — Marvel Contest of Champions

Discussions

Rank up 4 Stars?
Hi, is it worth it ranking up 4 stars? I am kinda new players, have 2 champs over 4000, finally got 3 x tier 4 cosmic catalyst so I can rank up either 4 stars medusa R4-->R5 or 5 stars captain marvel R2-->R3 (none of them is awakened) . what do you think ?