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