Was there a teaser at the end of endgame?

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Tags

1. #sequence
2. #building
3. #there
4. #through
5. #disney
6. #teaser
7. #sound
8. #stark
9. #traditional
10. #little
11. #credits
12. #scene
13. #patient
14. #marvel
15. #makeshift
16. #confirmed
17. #treat
18. #first
19. #avengers
20. #endgame
21. #movie