The greatest picks not in lane to counter Miss Fortune include Naafiri, Elise, and Gragas. These champions are all great at countering Miss Fortune with high win rates over 52%. Even if these Miss Fortune counter picks are not picked opposite your position, it's not smart to take her into any of these matchups. They will most often crush Miss Fortune.
Conversely, if the opposite team picks either Rumble or Shyvana, you should strongly consider selecting her, as she easily destroys these champions with win rates over 57% against each ofthem.