Whiz Comics #20
In *Whiz Comics* #20 (1941), the ever-crafty Dr. Sivana unleashes a new threat with a super-strong alloy and a precision motor, pushing his schemes to dangerous new heights. With Captain Marvel in his crosshairs and Billy Batson the key to his next experiment, the battle for the city’s safety takes a chilling turn. Art by C. C. Beck and Pete Costanza brings the action to life, both in the story and on the striking cover by the same duo.
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Sivana has a surprise in store for Captain Marvel, when he creates a new alloy stronger than steel and an electric motor more delicate than jewelry, all of which give him very strong powers. But he still needs human blood in his formula and Billy Batson is to supply that!
Plot details indexed by the Grand Comics Database (CC BY-SA).