On this page you may find the ___ so serious? (The Joker's catchphrase) crossword puzzle clue answers and solutions. This crossword clue was last seen on June 12 2025 in the popular Daily Themed Crossword Puzzle. We have found 1 possible solution matching the query “___ so serious? (The Joker's catchphrase)” and the answer is shown below.
The possible answer is:
WHY
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