There are plenty of scary things about Ultron, the A.I. enemy of the second Avengers film: How quickly he went from trying to protect humanity to turning against us, his steely voice (courtesy of ...

With these trailers, the pressure was on for whatever Marvel Cinematic Universe feature dared to go next. Normal trailers wouldn’t do in this brand-new world. Luckily, Avengers: Age of Ultron was just ...