Rafael Henrique | Lightrocket | Getty ImagesDisney is investing $1.5 billion for a stake in Epic Games, CEO Bob Iger said Wednesday, in its biggest bet yet on the gaming space.The media giant will work with the Fortnite studio to create new games and an entertainment universe where consumers can "play, watch, shop and engage with content, characters and stories from Disney, Pixar, Marvel, Star Wars, Avatar and more," Disney said in a press release.Disney did not say what the valuation of Epic, a...