All six defendants in the Liam Hunt murder investigation will appear in court on the week commencing March 27.
The date was set during a preliminary hearing for Aaron Connor Joseph, 20, of Hylands Road, Walthamstow, London.
He appeared at Northampton Crown Court today, charged with murder.
Four boys, who cannot be named for legal reasons, and 18-year-old James Dodd, of Sentinel Road, Northampton, all facing the same charge, appeared at Birmingham Crown Court earlier this week and are next set to appear at Northampton Crown Court on May 19 for a plea hearing.
Liam Hunt, 17, suffered fatal injuries during an assault at about 5pm on Tuesday, February 14.