Who killed Thanos in Infinity War?

Related questions

1. Who died in Avengers Infinity War?
2. Is Captain America immortal?
3. Will Iron Man kill Thanos?
4. Will they make an Iron Man 4?
5. Does Tony Stark die in endgame?
6. Who is the bad guy in Guardians of the Galaxy?
7. Does Adam Warlock fight Thanos?
8. Will Harley Keener become Iron Man?

Tags

1. #leads
2. #warlock
3. #remaining
4. #against
5. #earth
6. #thanos
7. #gauntlet
8. #powers
9. #living
10. #after
11. #universe
12. #villainous
13. #beings
14. #infinity
15. #stolen
16. #granddaughter
17. #defeating
18. #nebula
19. #heroes