* AlternativeCharacterInterpretation: Superman gives up his powers when he is forced to kill Mr. Mxyzptlk. This is either his noblest act... or his most selfish. See the [[Analysis/WhateverHappenedToTheManOfTomorrow Analysis page]] for why.
* AntiClimaxBoss: The story seems to be building towards a major confrontation between Superman and Brainiac, but Brainiac is ultimately defeated by Lana, whose MercyKill of Lex [[PuppeteerParasite robbed Brainiac of a viable host]]. Instead of a great battle, Brainiac simply breaks down at Supermanís feet.
* CompleteMonster: ComicBook/{{Brainiac}}. He brainjacks Luthor in the most horrifying way possible, murders most of Superman's remaining friends, and is completely devoid of anything resembling a conscience.
* HarsherInHindsight: The Prankster and Toyman were re-imagined as psychopaths in the Post-Crisis universe.
* HilariousInHindsight: Jordan Elliot looks like [[Comicbook/{{Watchmen}} the Comedian.]]
* {{Narm}}: Batman and Robin attacking Brainiac's energy shield with sticks.
* TheyWastedAPerfectlyGoodCharacter: Lex Luthor, Superman's greatest ArchEnemy, the greatest criminal mind of our time, is reduced to a meat puppet in his final (Silver Age) appearance. THAT'S how Lex Luthor goes out.
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