www.cbr.com -BY JORDAN IACOBUCCI -Adam Warlock is one of the Marvel Universe's most powerful characters, but that doesn't mean he is invincible, and Adam has died several times.
screenrant.com -BY CASEY DONAHUE - Some Marvel Comics fans believe Captain America's sidekick Bucky died and came back as the Winter Soldier, but that's not what really happened.
screenrant.com -BY ROBERT WOOD - MCU fans saw Tony Stark die in Avengers: Endgame, but Iron Man's death was much sadder in the comics, because it was Captain America who killed him.