Related Clues:

• Start of a ''Superman'' query
• Start of a 20 Questions question
• "--- something I said?"
• "Really?!"
• Skeptical reply to a supposed fact
• "Oh yeah?"
• '-- an earthquake, or ...'
• ''Oh, really?''
• 'Who'd a thunk it?!'
• 'No kidding?'
• ''__ any wonder?''
• ''Where ___ written ...''
• "Oh, really?"
• 'What -- now?'
• ''. . . or __ just me?''