Quote Originally Posted by Ascended View Post
Regarding Cap's shield he gives to Sam......who knows where it came from? I think the simplest solution is that it is his shield, repaired by T'Challa. W
So watching Spider-man: Homecoming tonight and as Happy is moving stuff out of Avengers tower he's listing off the last things to be moved, like the old Hulkbuster armor and Cap's new shield.

So we know there is at least one other shield for Steve to pick up at some point in the timeline.