a sneaky peak

"There's a one-eyed Cyclops, what looks like Cable in a Captain America uniform (or is Cable the Cyclops looking one? Check the metal arm!"
(http://www.newsarama.com/comics/age-of-ultron-7-teaser.html)

"A character wearing Captain America's iconic uniform appears in the foreground, identified by some websites as Cable, but a patch over his left eye suggests it could be an alternate universe version of Nick Fury."

(http://www.digitalspy.com/comics/news/a457453/age-of-ultron-teaser-reveals-new-look-marvel-heroes.html)

"There's a big, grand disaster story being told. That's going to be the fun of it. Overall though, there's certainly a theme of technology, responsibility and legacy. Any level of Marvel character can bring something into this that could be the greatest thing ever or the worst thing ever."

http://www.comicbookresources.com/?page=article&id=43662