Compound X07

History

History

A mysterious chemical created by A.I.M. scientists. When their tanker carrying this chemical collided with a church bus, the lone survivor (who was thrown from the bus unconscious into a puddle of the compound) gained lightning-fast healing and an insensitivity to pain, eventually becoming the costumed individual Madcap. The chemical may or may not have contributed to his mental instability.
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- Marvel Editorial Staff
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