Justin Bourque faces three charges of first-degree murder and two counts of attempted murder.
Constables Dave Ross, Fabrice Gevaudan and Douglas Larche were gunned down after responding to a report of a man with firearms in a residential neighbourhood on June 4.
Constables Eric Dubois and Darlene Goguen were wounded and later released from hospital.
Bourque was arrested following a 30-hour manhunt.
The 24-year-old man has not entered pleas to the charges.