What is Stan Lee's role in the MCU?

Related questions

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4. Will Galactus appear in endgame?
5. Is Stan Lee playing the watcher?
6. Why Nick Fury killed the watcher?
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Tags

1. #veteran
2. #ultron
3. #appearance
4. #avengers
5. #world
6. #marvel
7. #military
8. #characters
9. #studios
10. #actual
11. #career
12. #during
13. #portray
14. #actors
15. #entertainment
16. #events
17. #reference