Here are the possible solutions for superman publisher and this puzzle's title clue
Answer
Clue
Relevancy
dccomics
Clue
"Superman" publisher, and this puzzle's title
Publisher of Batman and Superman: 2 wds.
meta
Clue
Puzzle-within-a-puzzle puzzle
Definition
(US) concerned with cultural conventions; (of an artistic work) self-referential
tmi
Clue
Brief version of this puzzle's title hidden in eight long puzzle answers
marvel
Clue
Comic book publisher behind the hero hidden in this puzzle
Definition
to be filled with wonder
movingon
Clue
"And now for the next one" ... and an alternate title for this puzzle
asif
Clue
Valley girl's "yeah, right" [IMPORTANT: SEE THE 'NOTE' (above) for key info about this week's puzzle and SEE THE LAST CLUE DOWN for the explanation of last week's puzzle.]
makeajoyfulnoise
Clue
Psalm 100 excerpt suggested by six puzzle answers and graphically represented by certain black squares in this puzzle