Evil genius Megamind finally defeats his do-gooder nemesis, Metro Man, but is left without a purpose in a superhero-free world.Evil genius Megamind finally defeats his do-gooder nemesis, Metro Man, but is left without a purpose in a superhero-free world.Evil genius Megamind finally defeats his do-gooder nemesis, Metro Man, but is left without a purpose in a superhero-free world.