Category:Beelzebub (Earth-616)/Appearances should be tagged on this page as he was mentioned on page 22 "Beelzebub has never let me live down not getting Hitler". Kamila_064 talk 09:43, February 27, 2018 (UTC)

No, it shouldn't. Appearances are only categorized when a character makes an actual appearance in the pages of a comic book, a scene of a movie, etc. As you already noted, Beelzebub was just mentioned and thus Category:Beelzebub (Earth-616)/Mentions is the one that should be categorized in the page, which is already the case.
--TMAO (talk) 10:57, February 27, 2018 (UTC)
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