Quicksilver and Scarlett Witch Age of Ulton concept art revealed

Marvel has released some concept of for Avengers Age Of Ultron. Check out this great art for The Hulk, Black Widow, Quicksilver and Scarlett Witch. 

They have a Hulkbuster..

Avengers Age of Ultron will be in cinemas summer 2015 and stars: Robert Downey Jr., Chris Evans, Chris Hemsworth, Mark Ruffalo, Jeremy Renner, Scarlett Johansson, Samuel L. Jackson, Cobie Smulders, James Spader, Elizabeth Olsen, Aaron Taylor-Johnson