Doc Savage: Ring of Fire (2017) #2

Plot

What if volcanoes were weapons of war? What if Amelia Earhart was alive, but captive? Where is Pat Savage off to? Hey, what's that submarine doing there? Doc Savage has questions. David Avallone and Dave Acosta provide the answers. Planes, submarines, battle cruisers, mad scientists, madcap heiresses and the Man of Bronze collide in the Pacific, in the thrilling second chapter of DOC SAVAGE: RING OF FIRE.