In a recent interview, Jeremy Renner lets it be known there will be new good guys in The Avengers 2 - that's in addition to the regular Assemblers.
Renner participated in an interview in South Korea a couple of weeks ago stating the news.
"I have to be pretty tight-lipped about it, but what I can tell you is that all the Avengers are in it. Even some new ones. There's some new bag guys and new good guys. I can actually be Clint Barton and Hawkeye in this one and not be the sort of puppet for Loki this time, which I am very happy about. It should be fun. It should be very very fun."
It's already known that Scarlet Witch and Quicksilver will be featured in The Avengers 2; perhaps Renner is talking about additional characters. Black Panther seems to be a hot topic amongst fans as The Avengers 2 filmed in South Africa. Another possible character could be Doctor Strange as Stephen Strange was referenced in Captain America 2.
"The Avengers: Age Of Ultron" hits May 1, 2015 directed by Joss Whedon starring Robert Downey Jr., Chris Evans, Chris Hemsworth, Scarlett Johansson, Mark Ruffalo, Jeremy Renner, Samuel L. Jackson, Elizabeth Olsen as Scarlet Witch, Aaron Taylor-Johnson as Quicksilver, Paul Bettany as Vision, with James Spader as Ultron.
Head on over to the Cosmic Book News Avengers movie hub for more.