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