Oh My Stars and Stripes, Avengers 4 Director Joe Russo Just Hinted That Chris Evans' Cap May Not Be Done Yet

Maybe he dies and becomes a Force Ghost who comes back in Avengers 5.

from gizmodo http://www.gizmodo.co.uk/2018/11/oh-my-stars-and-stripes-avengers-4-director-joe-russo-just-hinted-that-chris-evans-cap-may-not-be-done-yet/