Needless to say, this question includes major spoilers for the MCU.
In the Marvel Cinematic Universe, multiple characters have supposedly died, only to be brought back later in future films.
- Loki (2011 - 2012): Falls into a black hole in Thor's finale only to somehow survive and serve as the primary antagonist for The Avengers.
- Bucky Barnes (2011 - 2014): Plummets off a HYDRA train in Captain America: The First Avenger before returning as the titular Winter Soldier in Captain America: The Winter Soldier.
- Agent Coulson (2012 - 2013): Killed by Loki in The Avengers before recovering in Tahiti for Agents of S.H.I.E.L.D.
- Nick Fury (2014 - 2015): Supposedly died via gunshot wound in Captain America: The Winter Soldier before reappearing in Avengers: Age of Ultron after faking his own death.
With all these deaths and revivals, it's hard to keep track of which characters are actually dead anymore.
Which characters are currently dead in the Marvel Cinematic Universe as of Guardians of the Galaxy 2?
To clarify, I'm not asking about which characters may or may not be revived for future films. Instead, I'm asking which characters are currently presumed to be dead in the MCU based on the films that have released.