Frost Giants' concept art.
Concept art of a Small Frost Giant.
Concept art of a Frost Giant.
Concept art of a Frost Giant.
Concept art of a scrapped Frost Giant which was to have used
Hulk's rig.
Concept art of a Frost Giant with a large beard.
Concept art of a scrapped Frost Giant with extendable spikes.
Concept art of a bearded Frost Giant.
Concept art of a Frost Giant.
Concept art of some Frost Giants.
Concept art of a Frost Giant with ram's horns.
Concept art of some various Frost Giant creatures (an "Ice Lion", one that appears to be part mammoth, and one that appears to be part wolf).
Promotional artwork of Frost Giants in The Avengers Play Set.