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