Wolverine Vs Rulk by David Finch (after Todd MacFarlane)
Thor - Chris Hemsworth// this list is pretty interesting.
The Avengers unite against Ultron in Marvel's 'Avengers: Age of Ultron,' hitting theaters May 1! Get tickets: http://Fandango.com/Avengers
Marvel's 'Avengers: Age of Ultron' artwork by Chris Skinner | HERO COMPLEX GALLERY
THOR vs HULK by Summerset.deviantart.com on @deviantART
Hulk Buster~Avengers: Age of Ultron