AUs we need more of:
Political. Presidential candidate Rogers, running mate Barnes. I am also in favour of one where Senator Rogers is the candidate and Barnes is husband or security. (aka Look, if Sebastian Stan will keep getting cast as the horrendously tortured gay addict son of the president/king, IT'S NOT OUR FAULT.) Bonus points for an appearance of Bucky's mum played by Sigourney Weaver.
Comic artist Steve. I'm happy with pre-war Steve doing mad pulp comics, or him becoming the artist for the Captain America comics (Simon and Kirby started it in December 1940 (cover March '41) even though they didn't enter the war until '42) you could even have him taking over from them when they moved to DC comics at the end of '41, Steve being an artist for Captain America until he meets up with Erskine, him making it home from the war and getting a job as the artist...
BNF Avengers. By which I am most in favour of still-being-Avengers and being BNFs in their spare time. Coulson is almost certainly a BNF of Captain America and Howling Commandos fandom in canon, at least pre-Avengers Assembled. C'mon, Tony started writing Cap fic as a rebellion against his dad. You know he did. Steve starts posting Captain America and Howling Commandos art and cartoons, encouraged by Coulson, and complimented for his classic style and clearly influenced by Steve Rogers' style. (added bonus for Tony finding out due to the raving about it and that )
And in the midst of this AU musing, I started another snippet-fic.
1433743>Welcome to the Future, No Smoking Inside</a> - it's on part 2 right now. In which Steve wakes up from the freeze and and finds himself chatting to a SHIELD agent on a break between welcome to the future briefings. In which Bucky was born in the present day.