Possible Clues:

• Return of old woman to heave boxes
• Further encounter not so exciting after overthrowing chief
• Loser's challenge
• 'The Thrilla in Manila,' e.g
• Harm, etc, done in later encounter
• Resists leaving Christmas trees - it's what the loser wants
• Repeat contest
• Play-off about striker
• Gag about chap finally missing another tie
• 'Rocky II' climax