Marvel Worldwide Inc., commonly referred to as Marvel Comics and formerly Marvel Publishing, Inc. and Marvel Comics Group, is an American publisher of comic books and related media. In 2009, The Walt Disney Company acquired Marvel Entertainment, Marvel Worldwide's parent company. Marvel counts among its characters such well-known properties as Spider-Man, Wolverine, Iron Man, the Hulk, Thor, Captain America, the Silver Surfer, Daredevil, and Ghost Rider, such teams as the Avengers, the Fantastic Four, the Guardians of the Galaxy, and X-Men, and antagonists such as the Green Goblin, Doctor Octopus, Kingpin, Magneto, Doctor Doom, Loki, Thanos, and the Red Skull.