The Civil War funeral

As said, none of the above characters meets their demise during the Civil War "“ well, at least that is not their funeral. Instead, it is a figure from the past that has died, a figure dear to Steve Rogers. Who might that be? Well, check out the pic below, shot by an extra from the Civil War set!

There you go, the mystery is solved! For the moment, we only know of Peggy Carter to die during this film. And that happens because of old age, presumably "“ after all, it does say that she lived for 95 years"¦