“Who’s Ultron?” This was what Captain America himself, Chris Evans, said at Comic-Con last year after finishing his Hall H Winter Soldier presentation and heading backstage to do some press.
He had missed the finale of the Marvel Studios showcase, which revealed the Avengers sequel would be subtitled Age of Ultron, with a plot centered on that fearsome artificial-intelligence whose robotic face looks like a grinning metallic vampire skull.
Given the studio’s intense devotion to secrecy, both he and Scarlett Johansson had no idea who they’d be battling the next time the Avengers reunited.
It’s okay to forgive them a moment of uncertainty. There are plenty of fans out there who have come to this fantasy universe through the movies, and not the comic books.
So here, finally, is the movie’s answer to that question: Who IS Ultron?