Here comes the most anticipated segment for comparison of these two characters i.e. Supergirl vs Firestorm superpowers. Powers and abilities define their strength, both physical and mental. So what will happen if these two super characters engage in a fight? Here you can compare Supergirl vs Firestorm powers, abilities, weapons and gadgets. So lets check out Supergirl Powers and Firestorm Powers.Decide who is more powerful!