MARVEL COMICS: Marvel Cinematic Universe Bio Kronans

http://i424.photobucket.com/albums/pp327/monitor_ep/comic%20books%20in%20the%20media%20photos/MCUTITLE_zps8035b302.jpg

Kronans are an ancient race of rock-like beings.

MOVIE BIO:
One Kronan warrior, Korg, was a member of the Marauders, and was present during the battle against the Asgardians on Vanaheim in 2013. Korg attempted to duel Thor, but was killed with a single uppercut.

COMIC BOOK BIO:
The Kronans first enemy was Thor. They claim they are from 'Saturn'. The Kronans have rock like bodies which are nearly indestructible on Earth. They also posses high technology, including interstellar travel, advanced robotics, 'atomic force fields', and sidearms of incredibly destructive force.

At least once in the past they've harbored ambitions of conquering Earth.