Why was Stan Lee not in Deadpool 2?

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Tags

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2. #battled
3. #february
4. #appeared
5. #feeling
6. #skipped
7. #image
8. #pneumonia
9. #though
10. #better
11. #instance
12. #deadpool
13. #first
14. #hoping
15. #jones
16. #reasons
17. #netflix
18. #jessica
19. #health
20. #recently
21. #possible