The Red Skull / The Awful Egg

The Red Skull
Into a subterranean world of red-hot lava, Doc Savage and his fantastic five descend -- to face the most fiendish foe of his career. Awaiting Doc is an irresistible power that can level mountains... that can enslave the world... and that threatens to make Doc's most dangerous adventure his very last...

The Awful Egg
From the frozen heart of the American continent comes a nameless prehistoric terror of unspeakable savagery, leaving a broken trail of mangled victims that shocks and baffles the world. Only the superhuman Man of Bronze can meet this horrifying menace on its own bloody ground -- and uncover the even greater evil that spawned it.