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