I'm also looking for a specific fic (same theme), I remember reading it on AO3. Tony and Steve don't get along, and in a battle, Tony was advising Steve on how to deal with their enemies (I think it may have been doombots) and Steve ignored him, leading to Tony getting hurt trying to protect (?) Steve. I can't remember the title, but it was an interesting read.
I'm looking for the above fic, and any other stories that deal with the same theme, doesn't matter which avenger it is, or if there are pairings
Thanks for your help!