Sub-Mariner, Vol. 1 #30A (Marvel Comics 1970)

Sub-Mariner, Vol. 1 #30A (Marvel Comics, 1970) delivers a memorable cross-title clash that fuses underwater drama with a surface-world threat. Namor comes ashore and clashes with Rick Jones, who quickly calls on his alter ego, Captain Marvel, setting up a tense, action-packed confrontation.

Top left corner where price should be located is cut out  

Creative credits: Cover pencils by Sal Buscema, inks by Mike Esposito (Joe Gaudioso). Script by Roy Thomas, with pencils by Sal Buscema and inks by Mike Esposito. The combination of Buscema’s dynamic figure drawing and Esposito’s crisp inks brings the heat of the battle to life and underscores the moment Namor regains his memory and shares a planetary concern.

Plot highlights

• Namor comes ashore and attacks Rick Jones, who calls Captain Marvel to intervene.
• During the clash, Namor collapses and Rick Jones steps in to help, while Captain Marvel keeps the action moving.
• Namor regains his memory and reveals a molecular polluter threatening Earth's oceans.
• Namor and Captain Marvel pursue the device and prevent its use, thwarting the aquatic menace.
• Story takes place between Captain Marvel #21 and Avengers #89, situating it within a key period of Marvel continuity.

Why this issue stands out

• 36 pages in full color, originally priced at $0.15, delivering substantial value in a single issue.
• A rare Namor vs. Captain Marvel crossover that blends underwater adventures with high-stakes global stakes.
• Notable art and storytelling from Sal Buscema and Roy Thomas, with solid inking by Mike Esposito (Joe Gaudioso) that preserves the era’s distinctive look.