Joss Whedon Is Obsessed With Having Hulk Battle Iron Man

One of the earliest pieces of concept art teasing Joss Whedon’s The Avengers: Age of Ultron showed the incredible Hulk going toe-to-toe with what we assume is Tony Stark (Robert Downey Jr.) in his Hulkbuster armor. There was a beat of similar action in the footage Marvel showed in San Diego Comic-Con, teasing a massive battle between Stark and Bruce Banner. It can be the centerpiece of any Age of Ultron marketing, and Marvel knows fans will flock. But Whedon’s beginning to explain to fans wh...