There are two futures.

Complete the campaign on Hardened or Veteran difficulty.

Successfully escort the VIPs to safety.

Complete all challenges in Black Ops II.

Complete 1 challenge in any level.

Complete "Pyrrhic Victory", "Old Wounds", "Time And Fate", and "Suffer With Me" in Veteran.

Escort the president to the secure location in downtown LA.

Capture Menendez.

Find the Karma weapon.

Gather intel on Raul Menendez from Mullah Rahmaan.

Rescue Woods.

Sneak next to a Sculk Sensor without triggering it