Now I’m free. There are no strings on me.Actor James Spader is free to speak on his character Ultron in the upcoming sequel “Avengers: Age of Ultron.” The official teaser trailer was released yesterday by Marvel after someone leaked it earlier on to the Internet. Click here to watch that trailer.Total Film had a conversation with Spader for its upcoming issue.As expected, he described Ultron as a new machine trying to find himself in the world."In many ways he's a child, this character, because he's a brand new being who's just come to be.