Mastermind

Ace, from Lash Lightning

1 appearancesSince 1941

Mastermind first appeared in Lightning Comics #2 (1941-08), published by Ace Magazines [1940s-1950s]. 1 appearances are indexed across 1 series.

Mastermind is an evil genius scientist who builds machines that will temporarily give him lightning powers like his frequent foe, Lash Lightning.

Character history

Key issues

1 issue

Across the catalog

1 series