4 years ago - Tim Drake, Bart Allen & Superboy discover the abandoned Mount Justice, and form Young Justice. Red Tornado creates a new body for himself to serve as Mount Justices caretaker. They are soon joined by Cassie Sandsmark, Cissie King-Jones & Virgil Hawkins, although Cissie retires after she nearly kills someone. Membership: 15-year-old Tim Drake, 13-year-old Bart Allen, Superboy, 14-year-old Cassie Sandsmark, 15-year-old Virgil Hawkins.
3 years ago - Young Justice is attacked by a rogue Superman android. Red Tornado sacrifices his body to protect the team. The remaining members go on to form the new Teen Titans.