Chris Adler was a computer programmed character inside the Framework. He was a student of Phil Coulson at the Alexander Pierce High School who was arrested by HYDRA during one of his classes and was taken to an Enlightenment Center. He was saved by the Patriot, the Director of S.H.I.E.L.D., who sacrificed his life to get Adler and all of the other children to safety.
Chris Adler was a student at Alexander Pierce High School. During one of Phil Coulson's lessons, a HYDRA agent entered the class and asked Chris to follow him for a few tests. Before he left, Chris was told by Coulson to take his bag with him and left the class under the intrigued gaze of his classmates.
Saved by the Patriot
"We don't have time for this. We got to save that kid."