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