Marvel Mystery Comics (1939) 16-A

No Title Given featuring the Human Torch.
New York Mayor Hawkins has asked the Torch to lead a new department whose job is to track down Fifth Column saboteurs, led by the Pinhead. Pinhead and his men attempt to execute a secret plan to terrorize the City while the Japanese complete an invasion tunnel under the Bering Strait. The Torch beats Pinhead, but not before Pinhead taunts Torch that he will never beat 'The Invader'. 15 pages.

No Title Given featuring Prince Namor the Sub-Mariner.
Namor holds Luther Robinson and Lynne Harris as his captives. He intends to make Lynne his princess to appease his mother, but first, Namor has decided to take action against the Nazis. They arrive in France and infiltrate, learning of a secret Nazi invasion tunnel being constructed under the English Channel. Namor sabotages the tunnel, but overhears of a Japanese tunnel, and decides to warn his rival, the Human Torch. 12 pages.

No Title Given, featuring Electro, the Marvel of the Age.
Professor Zog and Electro are taken mind-slaves of the mystic Prince Omei and gangsters who plan to overthrow the government. Zog finally breaks free of control, and the gangsters double-cross Omei, leaving their scheme in ruin. 6 pages.

"Death Trap"
2 pages, text with spot illustration.

No Title Given featuring The Vision.
Barney Bailey, a circus operator, has a new attraction - live dinosaurs. In a storm, the lizards break free, and start to tear up the town. The Vision restores order. 7 pages.

No Title Given featuring Terry Vance, Schoolboy Sleuth.
Terry goes fishing with Deadline Dawson and Scoop O'Brien, but come upon a mystery that needs solving involving a missing person, Fred Rochell, which starts to look like a murder case involving mobsters. 7 pages.

No Title Given featuring the Angel.
A Fifth Column sympathizer is released from jail, and ready to resume his career of disrupting our government. The Angel infiltrates his organization, and fights to stop their scheme to electrify the streets and destroy New York. 7 pages.

No Title Given featuring the Adventures of Ka-Zar the Great.
Ka-Zar returns to his home in the African jungle. With his companion lion, Zar, they face once more Rajah Sarput, who is poaching elephants. With the help of his eagle Pindar and elephant friend Trajah, Sarput is killed. 8 pages.