We got our hands on a batch of official high-res The Avengers 2 concept art and posters.
The concept art was revealed as part of the ABC special, with the concept art coming from Comic-Con.
Click on any of the below images, which will open the large-sized high-res images in a new window; then simply right click and "save as."
The full The Avengers 2 Comic-Con poster comes in at a whopping 15600x12000 at 8MB.
The Hulk and Black Widow concept art is sized 1739x706; the Quicksilver concept art is 4498x2012; Scarlet Witch is sized 4157x2488.
The posters are all 3901x6001.
"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.