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