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"The X-Alloy": Superman combats foreign agents, stopping them from sabotaging a newly discovered material that can be used to build stronger weapons.

Superman #21 is an issue of the series Superman (Volume 1) with a cover date of April, 1943. It was published on January 2, 1943.

Synopsis for "The X-Alloy"

Superman combats foreign agents, stopping them from sabotaging a newly discovered material that can be used to build stronger weapons.

Appearing in "The X-Alloy"

Featured Characters:

Supporting Characters:

Antagonists:

  • Frank Lingle (Single appearance)
  • Carlton Graul (Single appearance)

Locations:

Items:

  • X-Alloy

Vehicles:

  • Autogyro


Synopsis for "The Four Gangleaders"


Appearing in "The Four Gangleaders"

Featured Characters:

Supporting Characters:

Antagonists:

  • Charles Clayton (Single appearance)
  • Kingsley (Single appearance; dies)
  • Cordell (Single appearance)
  • Graham (Single appearance)
  • Graney (Single appearance; dies)

Other Characters:

Locations:

Synopsis for "The Robber Knight"


Appearing in "The Robber Knight"

Featured Characters:

Supporting Characters:

Antagonists:

Other Characters:

  • Mr. Lacey (Single appearance)
  • Mr. Phelps (Single appearance)
  • Lucy Trent (Single appearance)

Locations:

Synopsis for "The Ghost of Superman"


Appearing in "The Ghost of Superman"

Featured Characters:

Supporting Characters:

Antagonists:

  • Blinky Moxby (Single appearance)
  • Mike Chandler (Single appearance)
  • Knuckles (Single appearance)
  • Metalo (Flashback only)
  • Puzzler (Flashback only)
  • Prankster (Flashback only)
  • Ultra-Humanite (Flashback only)

Other Characters:

  • Commissioner Manley (Single appearance)

Locations:

Notes



See Also

Recommended Reading

Links and References

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