Some possible Story Arcs, from Marvel's RPG.

Droid Fear (Ultron Legacy, from Young Avengers/Runaways)
1xp - When you talk to droids or computers.
3xp - When you aid or receive aid from a droid or computer.
10xp - When you gather a group of droids to prove that they are not robotic menaces,
OR gather a group of droids bent on taking over to show idiotic biologics how it's done.

The Driver ( same book, Chase Stein's same Milestone)
1xp - When you talk about the places you've been or the maneuvers you've performed in tense situations.
3xp - When you bail out on the Tenacious Acquisition in order to get away from trouble, or deal out stress piloting her.
10xp - Pilot the Tenacious to it's own destruction once and for all and get a new ship,
OR make an alteration to the Tenacious that changes the way it works forever.

50 State Initiative, Machine Man, both

AIM, I Was an Advanced Idea
You seek to find where your creator came up with your programming
1xp when you mention how you're different than other droids
3xp when you learn a new piece of information about how you were created
10xp when you discover the truth about how you were created,
OR you destroy a facility even though it means you'll lose that information forever.