The first one is a Darcy/Steve/Bucky fic. All I remember is that Bucky had a special nickname for Darcy (maybe doll??). He and Steve used to use this name as a way for Bucky to signal to Steve that he wanted both of them to date a girl. I think it is mentioned that Bucky never found a girl he wanted to use the name on until Darcy.
The second fic is irondad/siderson. After Peter is taken in the snap Tony is having a panic attack. Peter had created a protocol for Tony with Friday to play a voice recording of him to calm Tony down. It's not the fic where Peter has created a little robot (but that one is super cute). Pepper and the Avengers were there.