Image Courtesy of Marvel Studios As most fans know by now, Marvel is using Avatar: Fire and Ash‘s theatrical run as a springboard for the Avengers: Doomsday marketing campaign. But instead of releasing a single teaser to generate hype for next winter’s epic crossover event, the plan calls for a total of four previews to be rolled out — with […] The post Marvel Finally Releases Steve Rogers Avengers: Doomsday Teaser Online appeared first on ComicBook.com .