Possible Clues:

• "I wouldn't go in there if I were you"
• Warning cry ... or a hint to the beginnings of the answers to the five starred clues
• "They'll ambush you if you go in there!"
• It might precede ''You should've listened''
• Meme first shouted by Admiral Ackbar in 1983
• "They set us up!"
• 'Stop! They set us up!'
• 'We've been tricked!'
• 'We've been fooled!'
• Cry on recognizing an ambush