Adventure Comics #345

In "Part I: The Execution of Matter-Eater Lad!", the Legion of Super-Heroes faces a crisis when their own member, Weight Wizard, is revealed as a traitor—only to vanish and meet a mysterious end. With Matter-Eater Lad captured and sentenced to execution, the girls launch a daring jailbreak, but time is running out. Just as hope seems lost, Superboy, Mon-El, and Ultra Boy arrive to turn the tide.

In "Part II: Duo Damsel's Double-Play!", the Legionnaires face betrayal and chaos as Weight Wizard’s treachery is exposed—only to vanish before justice can be served. With Blockade Boy eliminated and Matter-Eater Lad captured, the girls launch a daring jailbreak, setting the stage for a high-stakes rescue. Just when all seems lost, Superboy, Mon-El, and Ultra Boy arrive to turn the tide.