"Leviathans" Written by Doug Moench. Pencils by Bill Sienkiewicz. Inks by Joe Sinnott. Cover by Bill Sienkiewicz and Joe Sinnott. Guest-starring the Sub-Mariner. In a daring raid on Atlantis, Captain Barracuda's men steal the Sub-Mariner's fabled horn! With the horn in his possession, Captain Barracuda begins calling giant sea creatures to attack the docks of lower Manhattan. The Thing, Torch, Sub-Mariner, and Mr. Fantastic battle the monsters, while the Invisible Girl goes after the horn!