Question

what event do Benvolio's lines from the opening of act III, scene I of Romeo and Juliet, hint at, or Foreshadow

Answer 1

Benvolio's lines from the opening of Act III, Scene I of Romeo and Juliet, suggest that in that scenario Benvolio and Mercury can meet with the capulets and that encounter can generate a fight between them.

Here below is the opening of Act III, which proves what I said above:

"BENVOLIO : I pray thee, good Mercutio, let’s retire.  The day is hot; the Capulets, abroad;  And if we meet we shall not ’scape a brawl,  For now, these hot days, is the mad blood stirring."

Answer 2

Benvolio is an anecdotal character in Shakespeare's show Romeo and Juliet. The occasion where Benvolio's lines from the opening of act III, scene I of Romeo and Juliet, allude to or Foreshadow is the battle in which Mercutio and Tybalt are slaughtered.