Activision-Blizzard's mobile game, Hearthstone, is a popular eSport. Source: Activision-Blizzard. Activision-Blizzard is at the forefront of a tremendous opportunity, one that could boost its operating income by a factor of a five. Today, the firm derives virtually all of its revenue from the sale of video game products. Video game discs, digital downloads, online gaming subscriptions, and Skylanders toys generated approximately 100% of Activision's revenue in 2015. But the company could look substantially different in the future. On the company's February earnings call, CEO Bobby Kotick identified a new market the company is gearing up to target. A new market that could generate as much as $5 billion in operating profit over the coming years, and put it in competition with the likes of larger and far more established media giants, including Walt Disney (NYSE: DIS).