Skaar: King of the Savage Land (2011) #4

PHANTOM EAGLE RETURNS TO FLY OVER SAVAGE SKIES! World War I's ace fighter pilot was shot dead in Germany 90 years ago, but his spirit lives on - in the Savage Land? Skaar has fallen into an ancient trap from which no soul has ever returned, and Ka-Zar's kingdom stands defenseless. Who remains to turn the tide of the Designer's march of genocide? Witness the latest flight of the Phantom Eagle with an army the likes of which the Marvel Universe has never seen before!