CHICAGO (MarketWatch) -- Walt Disney Co. /quotes/zigman/245568/quotes/nls/dis DIS -0.13% said on Monday it has reached a deal to acquire comic book titan Marvel Entertainment Inc. for $4 billion in stock and cash. In a statement, Disney Chief Executive Bob Iger said "adding Marvel to Disney's unique portfolio of brands provides significant opportunities for long-term growth and value creation." Marvel shareholders would receive a total of $30 per share in cash plus approximately 0.745 Disney shares for each Marvel share they own. At closing, the amount of cash and stock will be adjusted if necessary so that the total value of the Disney stock issued as merger consideration based on its trading value at that time is not less than 40% of the total merger consideration. Under the deal, Disney will acquire ownership of Marvel including its more than 5,000 Marvel characters, including The Fantastic Four, Spider-Man, the X-Men, The Incredible Hulk and Iron Man, all of which have been turned into highly valuable feature film franchises. Ike Perlmutter, Marvel's CEO, would continue to oversee the Marvel properties, and work directly with Disney executives to integrate them into Disney's businesses.