Courtesy of ToyArk, here are some official images from Hasbro of their upcoming 2013 Marvel Universe wave 3 and 4, in addition to Marvel Universe 2013 Team packs

The single carded figures shown below include:

-Black and white Iron Man
-A Bomb
-Captain America
-Baron Zemo


From the Team Pack:

-The Mighty Thor set
-Uncanny X-Men set (Cyclops, Colossus as Juggernaut, Emma Frost)