DC · September, 1966
1st appearance of Ethylene; 1st appearance of Methacrylate; 1st appearance of Polyethylene; 1st appearance of Professor Bravo; 1st appearance of Silicone; 1st appearance of Styrene; 1st appearance of The Plastic Perils
The Metal Men Versus the Plastic Perils
Writer: Robert Kanigher
Artist: Ross Andru