Theta Protocol

The Theta Protocol is a S.H.I.E.L.D. protocol led by Director Phil Coulson.

History
As the team prepared for the trip to the Kree City, Coulson told Sam Koenig to report back to the Playground claiming that if things went south, he would need him and his brother to enact the Theta Protocol much to Koenig's dismay.

Appearances
In chronological order:
 * Agents of S.H.I.E.L.D.
 * Season Two
 * What They Become (mentioned)
 * Melinda (mentioned)