AU in which Loki sends the Avengers back to the 40s, including Steve.
Cue Steve not freaking the fuck out at all.
They have to keep the timeline from completely fucking up, find Loki, and not accidentally create a hole in the fabric of time and space.
Must be a Thursday.
UM
YEEEEEEEEESSSSSSSSSSSSSSSS
I need this in my life.
Oh, Tony.