Namor The Sub-Mariner #5, Marvel, 1990, "All the Rivers Burning!" Guest-starring Namorita, Iron Man, Mister Fantastic and Invisible Woman. Speedball cameo. Story, art, and cover by John Byrne. The mighty Sub-Mariner can survive the ocean depths, but he is helpless and in danger of drowning in the midst of an oil spill. Luckily the Invincible Iron Man and members of the Fantastic Four are present to lend a hand. However, when the oil is set ablaze can even these heroes contain the inferno that follows?