Steve Rogers
Song:Stand by me (Ben.E King)
Although It was Made Before you were born and After Steve was frozen you guys loved the song. When Steve asked you to be his girlfriend the song was playing.
Tony Stark
Song:Hungry eyes (Eric Carmen)
You love dirty dancing and Tony would always sing it to you. You guys would dance to it but It would end up you guys laughing.
Thor
Song:Perfect (Ed Sheeran)
Thor would occasically say you look perfect or you are perfect so when he heard the song on the radio he freaked out and pointed at you straight away.
Loki
Song:La Vie en Rose (various artist)
Loki isn't really a song person and neither are you (you might like music alot but go along) but La Vie En Rose reminds him of you and how he fell in love with you.
Clint Barton
Song:Wonderwall (oasis)
You guys love oasis but Wonderwall was always your favourite! Every time you are in the car you will jam out to it.
Bruce Banner
Song:Sweet Creature (Harry styles)
Bruce was one day singing this song and you joined in smiling And it just became your guys song.
Bucky Barnes
Song:True Colours (Cyndi Lauper)
One time when Bucky had a nightmare about Everyone turning against him and thinking he's a monster you sang this song to calm him down, it immediately calmed him down.