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