Ultron (James Spader)

14. Ultron

“After the Battle of New York saddled him with severe anxiety, Tony Stark was infused with a mad drive to protect the world. His plan, however, fatally fell off the rails when Wanda Maximoff's powers helped give birth to Ultron - a crazed "peacekeeping" A.I. program, housed in vibranium armor, which had the same idea that most hellbent A.I.'s quickly devise. That would be the old "the only good human is a dead human" philosophy. Ultron ran the Avengers ragged and, in its efforts to extinguish humanity, leveled Sokovia and killed Pietro Maximoff.” read more