New stuff! Okay, new old stuff. XD

Avengers v.1 #202: Vision worries about his wife, and Cap worries about Iron Man.
Iron Man v.1 #148: Cap's willing to help Iron Man, even if he's not happy about the threat to national security by doing so.
Avengers v.1 #210: It's just Cap and Shellhead, on vacation together mission in London.
Avengers v.1 #210: And Cap knows Iron Man's equal to any task.
Avengers v.1 Annual #10: While Wanda turns to her husband for comfort, Iron Man leans on Cap.
Iron Man v.1 #153: In a tight spot, Iron Man turns to Cap for inspiration.
Avengers v.1 #215: Even super-villains know that mostly-naked Tony belongs right next to Cap. (a.k.a. The Red Thong!)
Avengers v.1 #216: Cap can't stop touching almost-naked Tony. Or smirking at him.

New Avengers/Transfomers #1: The cavalry's arrived, but Cap wants to know where Iron Man is.

Iron Man Legacy #3: Cap's training saves Tony's life. Again.