"Worlds" or "World"?

In Astonishing X-Men (Vol. 3) #6 Abigail Brand says she works for the Sentient Worlds Observation and Response Department, with "worlds" being plural. This is repeated in X-Men: Messiah Complex - Mutant Files #1 and Official Handbook of the Marvel Universe A-Z #11. Does anyone know of any instances where "World" is singular? If not then this page should be moved.
--Nurdboy42 (talk) 07:50, 30 December 2020 (UTC)

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