| 31 | Metal Men | 1st appearance of Back-Up Metal Men; 1st appearance of Silver; 1st appearance of Cobalt; 1st appearance of Zinc; 1st appearance of Osmium; 1st appearance of Gallium; 1st appearance of Iridium (Iridia); 1st appearance of Darzz |
| 2 | Showcase Presents: Metal Men | Reprints Brave and the Bold #66; 1st appearance of Dr. Yes; 1st appearance of Professor Bravo; 1st appearance of Plastic Perils; 1st appearance of Ethylene; 1st appearance of Styrene; 1st appearance of Silicone; 1st appearance of Methacrylate; 1st appearance of Polyethylene; 1st appearance of Sizzler; 1st appearance of Professor Snakelocks; 1st appearance of Balloon Man; 1st appearance of King Dymond; 1st appearance of Silver; 1st appearance of Cobalt; 1st appearance of Zinc; 1st appearance of Osmium; 1st appearance of Gallium; 1st appearance of Iridia; 1st appearance of Iridium; 1st appearance of Darzz; 1st appearance of Robot Amazons; 1st appearance of David Magnus; 1st appearance of Fferka; 1st appearance of Professor Kurt Borian; Death of Sizzler; Origin of Metal Men; Metal Men #16-35; Trade papeback; 528 pages; B&W |