“Big Hero 6” Trailer: Disney’s Marvel Movie Takes Flight Michael Lee, July 15, 2014July 15, 2014 Sure the marketing for Disney’s Big Hero 6 may have been slow going, but it has quickly amped up thanks in part to marketing tie-ins with the World Cup. The film centers on a young technological prodigy who upgrades his squishy caretaking robot into a superheroic fighting machine. That was…