Malaysian artist Daniel Kamarudin aka theDURRRRIAN gave the cast of Avengers: Age of Ultron a dark fantasy makeover! He also previously did a similar fan art series for the first Avengers movie that you should also check out if you like these. The Avengers look badass in this fantasy armor and are completely battle-ready:

Artist: Daniel Kamarudin aka theDURRRRIAN