Steve agrees to go with Bucky on a mission. It's less of a revenge road trip and more of an information/existential one, quiet and melancholy and full of inchoate longing.
Joan Watson and Barbara Gordon strike up a friendship. I would read a million words of Watson and Oracle being mature adults and fighting crime together.
He blinked and, behind the boat shoes and tan ankles, Adam's face grew into sharp focus. He was looking straight at Ronan. His eyes were round, shocked into complete stillness. His cheeks were pink. One hand curled around grass, and Ronan watched, with a slow dawning of awareness, the way Adam's knuckles grew white as he tightened his hold on the ground. Cabeswater, Ronan realized. Cabeswater had taken his dream and shared it with the only other person who could ever be close enough to Cabeswater to see it. Ronan and Adam try to figure things out.
I'm not generally big into no-powers AUs, but this does the "FWB who are secretly pining" trope SO WELL and it's one of my favorite tropes. Steve and Bucky pine so beautifully. *happy sigh*