Who defeated Thanos in comics?
Adam Warlock
How did Thanos die in comics?
Nobody can kill Thanos. In the comics, after getting the Infinity Gauntlet, Thanos tries to win Death over by snapping his fingers and literally destroying half of life in the universe. After this, Adam Warlock (newly resurrected) and rest of the heroes battle Thanos, but he easily kills them.
Who defeated Thanos in endgame?
Iron Man
Did nebula kill Thanos in the comics?
Nebula reappears in the 2018 film Avengers: Infinity War. Nebula was captured by Thanos following her nearly successful attempt on his life. Thanos then tortured her to coerce Gamora to take him to the Soul Stone. She and Rocket are the only two surviving Guardians by the end of the film.