Hope I don't bother anyone jumping in and unloading a bunch of thoughts. I watched this again a few nights ago, and have been thinking it over.
I think the intent is that Cap is the Main Character, although, the line is blurred a lot in the storytelling. I'm sure they wanted to beef up Iron Man's role to give Robert Downey Jr. more to do. Plus there's a lot of “story chatter” with the Black Panther and Spider-man stuff.
I see MC as Fixed Attitude. All the problems for him personally seem to stem from his loyalty to Bucky, and his unwillingness to do what the “system” demands vs. what he feels is right.
That puts Iron Man in Situation, and I think his state as the public face of the Avengers is tearing his life to shreds. He's lost Pepper, the world is turning on the Avengers, and he's coming apart at the seams trying to hold his team together.
Relationship Story seems to be Manipulation. All the stuff with the Sokovia Accords and their differing perspectives on the Avengers role in the world drives a wedge between Cap and Iron Man. It's also where most of the meat of the movie seems to be too, as it's dramatized by having all the characters split into Team Cap and Team Iron Man. At first I thought this was the OS, but it's separate from Zemo and his plan.
This leaves Zemo, and his plan to rid the world of Super-People. The storytelling here is lightly drawn until the last half hour or so. But Zemo is acting out a plan to hunt down and destroy the remaining Winter Soldiers, and destroy the Avengers. Even though he is most like a protagonist, I think we're meant to see the dismantling of the Avengers as a bad thing, duh, which gives the movie it's downer feel.
Concerns I would put in the lower left. (Obtaining, Future, Becoming, Innermost Desires). I think Openness, Delay, Preconception, and Choice seem strong for Tony. Closure, Denial, Hope and Dream also seem strong for Captain America. Rationalization, Obligation, Commitment, and Responsibility seem strong for the RS. Finally, you have Self-Interest, Morality, Attitude and Approach for the OS.
Steadfast for Cap, Change for Iron Man? He seems to be a lot less stressed and having a new attitude by effectively giving the Secretary of State the finger at the end. I think the implication is that he's no longer interested in cooperating with the Government to hunt down his friends.
The only thing I feel weird about is Cap having a growth of Start, but I'm always kind of iffy about growth.
I'd be interested in doing a full analysis of this if anyone is interested.