Here comes the most anticipated segment for comparison of these two characters i.e. Supergirl vs Kal-L 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 Kal-L powers, abilities, weapons and gadgets. So lets check out Supergirl Powers and Kal-L Powers.Decide who is more powerful!