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"Legion of Super-Heroes: "The Secret of the Mystery Legionnaire!"": This story is reprinted from Adventure Comics #305.



Appearing in Legion of Super-Heroes: "The Secret of the Mystery Legionnaire!"

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Synopsis for Legion of Super-Heroes: "The Secret of the Mystery Legionnaire!"

This story is reprinted from Adventure Comics #305.

With the recent demise of Lightning Lad, the Legion of Super-Heroes begins looking for an adequate replacement to fill the void left by the heroes death. After testing a series of would-be Legionnaires who's powers either turned out to be duds or artificial, the Legion is met by a costumed youngster calling himself Marvel Lad.

Wanting nothing but the best possible candidate to take the late Lightning Lad's place, the Legion puts Marvel Lad on a series of complex tests to see if he stands up to the Legion's values and codes. When Marvel Lad is able to complete all the missions the Legion asks him to reveal the origins of his powers before he is introduced into the group.

The next day Marvel Lad arrives and reveals that he is really Mon-El in disguise. He then reveals to an astonished Legion that Brainiac 5 had developed a new version of serum XY-4 to try and cure Mon-El of his lead poisoning that forced him to reside in the Phantom Zone. To test out if the serum will work, but not get the other Legion's hopes up, Mon-El took on the guise of Marvel Lad and try out for Legion membership, that way if the serum didn't work the Legion wouldn't be disappointed.

Having passed the Legion's tests, Mon-El is welcomed into the Legion as their new member, and Mon-El returns to the Phantom Zone one last time to get the last laugh on the criminals trapped there who have taunted and tormented him during his time living within the Zone.

Appearing in Legion of Super-Heroes: "Legion of Substitute Heroes!"

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  • Flying Crime-City (Single appearance)
  • Plant Men (Single appearance)
  • Sea Monsters (Single appearance)

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Synopsis for Legion of Super-Heroes: "Legion of Substitute Heroes!"

This story is reprinted from Adventure Comics #306.

After being rejected for membership in the Legion of Super-Heroes, five super-powered teens decide to join together to become the Legion of Substitute Heroes. They are: Night Girl, who has super-human strength but only during the night; Fire-Lad who can breath fire; Chlorophyll Kid who can control plant life; Polar Boy who has freeze powers; and Stone Boy, who can turn into an immobile, and indestructible stone statue at will.

Building a secret base, the Substitute Heroes decide to try and be on call to help the Legion of Super-Heroes when there is trouble. However, whenever there is a mission to be accomplished, the Legion seems adept at solving the problem on their own. However, when the Legion is busy fighting robots in space, the Earth is attacked by a number of Plant Men. Easily defeating them, the Legion of Substitute Heroes tracks the race to their planet, where they find that the Plant Men are preparing for a full scale invasion of the Earth. The Substitute Heroes work together and crush the Plant Men's scheme, using their own reproduction methods against them. Returning to the Earth as unsung heroes in light of the Legion's recent victory over the robots, the Legion of Substitute Heroes decides to remain together, but deciding to keep their victory secret so as not to steal any of the Legion's glory in the hopes that some day they can act publicly as the Legion of Substitute Heroes.

Appearing in Legion of Super-Heroes: "The Mystery Power of the Mystery Super-Hero!"

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  • One-Man Rockets

Synopsis for Legion of Super-Heroes: "The Mystery Power of the Mystery Super-Hero!"

This story is reprinted from Adventure Comics #307.

With the space pirate known as Roxxas on the loose, looting various planets, the Legion of Super-Heroes decides to take on one more new member before tackling the criminal. After the typical number of "dud" heroes, the Legion agrees to select Mystery Lad, who only reveals the true nature of his powers to Saturn Girl in secret.

The Legion accepts him on Saturn Girl's say so, and Mystery Lad joins the group on their quest to stop Roxxas. During their battle, Mystery Lad exhibits different supposed abilities that keep the other Legion members missing. However, when Roxxas recognizes Mystery Lad for what he can really do - Change the properties of matter - Mystery Lad decides to turn himself over to Roxxas so nobody else gets hurt. However, when "Mystery Boy" refuses to turn objects into gold for Roxxas, he changes the gas aboard the ship into a toxic one that threatens to kill him. Roxxas and his goons, wearing space helmets manage to avoid the effects of the gas and try to make their escape. However, they are captured by the Legion who manage to arrive just in time to save Mystery Lad's life. In the aftermath of their adventure, Mystery Lad is accepted into the Legion, and rechristened Element Lad.

Appearing in Legion of Super-Heroes: "The Return of Lightning Lad!"

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  • Legion Space Ship

Synopsis for Legion of Super-Heroes: "The Return of Lightning Lad!"

This story is reprinted from Adventure Comics #308.

While draping a ceremonial cape on the grave of the recently deceased Lightning Lad, the Legion of Super-Heroes is shocked when Lightning Lad seemingly rises from his coffin, alive and well. After recharging his apparent lost powers, Lightning Lad rejoins the Legion. However, on their daily routine of missions, each of the Legion members (including Chameleon Boy's new pet Proty) begin to suspect that the person aiding them is not their Lightning Lad.

After busting up some alien criminals, the Legion figures out the truth, that this is not really Lightning Lad at all, but his twin sister disguised as him. She reveals that she took the body of her brother to a planet where there is perpetual lightning as a suitable resting place and decided to take his place to continue his heroic tradition in his place. With the truth revealed, the Legion accepts her into their team and she is rechristened as Lightning Lass.

Appearing in Legon of Super-Heroes: "The Legion of Super-Monsters!"

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  • Legion Rocket Ship

Synopsis for Legon of Super-Heroes: "The Legion of Super-Monsters!"

This story is reprinted from Adventure Comics #309.

With the other Legion members out on various mission, Saturn Girl, Chameleon Boy, Colossal Boy, Bouncing Boy, Brainiac 5, and Sun-Boy are tasked with selecting a new member into their group. When an applicant named Jungle King, who can control animals with his mind, tries to join the group he is rejected for membership as the animals he control can be easily startled and become a menace.

Angry that he had been rejected, Jungle King uses his powers to gather some of the most dangerous creatures in the universe and forms "The Legion of Super-Monsters" and renaming himself Monster Master for the purpose of terrorizing people and getting revenge against the Legion. His first attempt at revenge, toppling Sky City, is met with failure when the Legion arrives and stops the city from being toppled over, however Monster Master and his Super-Beasts manage to escape.

Tracking Monster Master to the planet Inshar, the Legion battle each of the Super-Beasts, and each are swiftly defeated. Ironically, Monster Master meets his own demise when he rejects a vapor-beast interested in joining his Legion of Super-Monsters. The rejected beast then touches Monster Master, killing him as when such a creature touches it's prey it becomes a lifeless vapor. With the menace of the Monster Master ended, the Legion marvel over the irony of their foes defeat.

Appearing in Legion of Super-Heroes: "The Doom of the Super-Heroes!"

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  • Ak Aru (Single appearance)

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Synopsis for Legion of Super-Heroes: "The Doom of the Super-Heroes!"

This story is reprinted from Adventure Comics #310.

The Legion of Super-Heroes are assigned to stop a masked criminal who has been terrorizing Metropolis. When the Legion finally confront the Masked Man, they soon realize he can mimic their powers and exhibit many more. During the course of their fight, the Masked Man manages to kill Ultra-Boy.

In subsequent battles, the Masked Man manages to kill all the Legion members until only Superboy remains. Superboy deduces that the Masked Man is Mxyzptlk V, the distant relative of Mister Mxyzptlk, the imp who pesters him in his own time. Using a word reversing device, Superboy manages to trick Mxyzptlk V to say his name backwards, sending him back to the 5th Dimension and reversing all the damage he'd done, including returning the dead Legionnaires to life.

Appearing in Legion of Super-Heroes: "The War Between the Substitute Heroes and the Legionnaires!"

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Synopsis for Legion of Super-Heroes: "The War Between the Substitute Heroes and the Legionnaires!"

This story is reprinted from Adventure Comics #311.

When the Legion of Super-Heroes are called off onto a mission in space an alien craft lands on Earth. Finding it suspicious, the Legion of Substitute Heroes decide to check it out. After fighting off the ships defenses, they are chased away by members of the Legion.

Offering their aid to the Legion, the Substitute Heroes find that their idols have turned mean, and demand that they disband or be destroyed. Escaping, the group wonders what has gotten into the Legion of Super-Heroes. When Night Girl attempts to talk sense into Cosmic Boy, this leads the Legion to track the Substitutes to their secret headquarters to try and destroy them.

However, the Substitutes manage to hold their own, and reveal the "Legion" as members of the Zyzan race who posed as the Legion in an attempt to take over the Earth. With their true motives revealed, the Zyzan invaders are easily defeated by Polar Boy's freezing powers, and the Substitute Legion returns them to their own planet and decide to return to their relative secrecy, choosing to wait to reveal themselves to the real Legion. When the real Legion of Super-Heroes return from space from the fake distress call, they are left to wonder what to make of the alien ship that crashed on Earth.

Notes

  • This book was first published on March 3, 1983.
  • No special notes.

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