Marvel Comics is the common name and primary imprint of Marvel Worldwide Inc., formerly Marvel Publishing, Inc. and Marvel Comics Group, an American publisher of comic books and related media. In 2009, The Walt Disney Company acquired Marvel Entertainment, Marvel Worldwide's parent company. Marvel started in 1939 as Timely Publications, and by the early 1950s had generally become known as Atlas Comics. Marvel's modern incarnation dates from 1961, the year that the company launched The Fantastic Four and other superhero titles created by Stan Lee, Jack Kirby, Steve Ditko and many others.