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In 2023, Joan Shanley is the daughter of Professor Shanley and fiancee of Super-Police agent Rex Cosmos.

  • This version of Joan Shanley, including all history and corresponding appearances, was erased from existence following the collapse of the original Multiverse in the 1985–86 Crisis on Infinite Earths limited series. Even though versions of the character may have since appeared, this information does not apply to those versions.

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