Bill Parker and C.C. Beck's Captain Marvel: orphan Billy Batson, led by a stranger into a subway tunnel, meets the wizard Shazam in a hall lined with the Seven Deadly Enemies of Man, and is granted the power of six elders by speaking the wizard's name: S for Solomon's wisdom, H for Hercules's strength, A for Atlas's stamina, Z for Zeus's power, A for Achilles's courage, M for Mercury's speed. The word is a spell checklist, each letter a documented attribute donation. Captain Marvel became the best-selling superhero of the Golden Age, and a trademark war with Marvel Comics eventually forced the hero to be renamed after his own magic word.
The acronym is a memory palace in reverse: instead of memorizing, it bestows, six civilizations' strongest assets compressed into one shoutable syllable. The wizard's hall is the franchise's theology: power is inherited vocabulary, the boy accesses millennia of virtue by pronouncing an acronym, which is either the most efficient pedagogy ever devised or a comic-book version of the grimoire tradition, correct names, correct spirits, correct powers, one per seal. The pentacles are letters now.
The claim: Shazam's deepest magic was legal, the word became so powerful it erased the hero's own name, DC could no longer title the comic Captain Marvel, and the spell swallowed the identity it was meant to empower, the only magic word in the file that successfully cursed its caster's branding. Verdict: the trademark record is the documented punchline. The archive files it beside every naming power struggle in the collection: whoever controls the word controls the asset. Billy says the word. The lawyers own it. The elders got one letter each. The attorneys took the whole name.
If the acronym is the spell, is the power in the letters, the elders, or the boy who says it?