Marisa eventually found out about The Alternate in Unmasking the Enemy. She discovered that Brady is evil and works for The Alternate in The Truth Will Set You Free. K.C. figured out that Brady was evil in Keep on Truckin' when she scratched him on the face during a mission.
In Domino 3: Buggin' Out, Brady and Marisa became friends again and Brady apologized for being so mean to her in the past. Marisa needed his help to come up with ideas so she could pass English and graduate.
Marisa was the only one who believed that Brady wasn't The Mask, and she ended up being right as The Mask turned out to be Agent Johnson. Brady quit being a spy so that he and Marisa could be together.
| To view the Brady and Marisa gallery, click here.