Suggest to select 5 champions for defenders in AW

TWICE_mm

Now I’ve selected
4*Domino(duped), 4*Korg(duped), 4*Killmonger(duped), 4*Thing(duped)
There is one spot remaining, which one do I choose 4* (all are duped sig.20)
Medusa , MODOK , Havok , Mephisto
or any better team please suggest

Speeds80

Havok, I might also swap killmonger for medusa. but I’m surprised if your alliance doesn’t use diversity at all.