The Cuban Missile Crisis of October 1962 was a direct and dangerous confrontation between the United States and the Soviet Union during the Cold War and was the moment when the two superpowers came closest to nuclear conflict.
Colossus (born Piotr Rasputin, also known as Peter Rasputin) is a mutant who can cover his entire body in an incredibly dense, organic metallic layer, which grants him incredible levels of physical strength and durability.
Dross is a mass of solid impurities floating on a molten metal or dispersed in the metal, such as in wrought iron. It forms on the surface of low-melting-point metals such as tin, lead, zinc or aluminium or alloys by oxidation of the metal(s).