The Black Ace Gang was a band of violent armed robbers who got empowered by an mysterious extra-dimensional force and were transmuted into living playing cards. The band members included:
ACE BLACK: Leader of the gang. Superathlete.
CLUBBER KING: The Brick. Extremely strong and tough.
JACK DIAMOND: The Killing Joker. Unkillable.
QUENNIE HART: Femme fatale with empathic-telepathic abilities.
FIRST APPEARANCE: Captain Marvel Jr. #7 (May 19, 1943)
