What happened to the Joker's face?

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Tags

1. #during
2. #introduced
3. #first
4. #detective
5. #bleaches
6. #story
7. #joker
8. #origin
9. #escape
10. #final
11. #leaping
12. #green
13. #after
14. #falls
15. #chemicals
16. #vanishes
17. #criminal
18. #heist
19. #which
20. #batman
21. #colors
22. #drives
23. #insane
24. #comics