Chapter 1 - Extreme Protocol

What if Fury called in Captain Marvel during the Civil War, but she arrives couple of hours after Tony's battle with Rogers?
How will the MCU change As Carol and Fury's support for Tony grows, he must navigate the challenges of preparing the world for an impending war while confronting the ghosts of his past.
Will Carol's and Tony's developing relationship can change enough things?

Warning: This is a Team Iron-man fanfic. There will be Team Cap bashing.