Tron: Betrayal

Tron: Betrayal is a two-issue comic book limited series which serves as the official prequel to the film Tron: Legacy and was published by Marvel Comics beginning in October 2010.

Description
The series is set in 1983, shortly after the events of the original Tron. Kevin Flynn has become the CEO of fictional software company Encom, which he has built into the largest video-game company in the world while secretly building the Grid, a virtual reality inhabited by increasingly sentient programs, ultimately including the mysterious "isomorphic algorithms" ("ISO" for short).

As his responsibilities in the real world increase, Flynn creates Clu 2, a duplicate of himself meant to serve as his proxy. In Flynn's absence, Clu 2 becomes resentful of the ISOs, perceiving them as a threat to the "perfect system" he wishes to maintain. Ultimately, Clu 2 forestalls the ISOs' emergence from the 'Sea of Simulation' and drives Flynn himself into exile. The story also introduces us to Flynn's young son, Sam Flynn, who will become the protagonist of the second Tron film.

The Epilogue of Betrayal overlaps slightly with the beginning of Tron: Legacy and the events of the 2010 videogame Tron: Evolution, in which Clu 2 moves against the ISOs and Kevin Flynn.

Collected editions
Tron: Betrayal was then collected as a 128-page trade paperback by Disney Press in November 2010 (ISBN 1-4231-3463-X), which contains a new 11-page retelling of the 1982 Tron film illustrated by Jeff Matsuda.

Reception
IGN reviewed the comic and gave it a "passable" score of 6.5 out of 10.