Who Killed Superman's parents?

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Tags

1. #planet
2. #strip
3. #biological
4. #before
5. #comic
6. #created
7. #first
8. #leading
9. #shuster
10. #artist
11. #appeared
12. #jerry
13. #destruction
14. #writer
15. #siegel
16. #newspaper
17. #krypton
18. #father
19. #superman
20. #husband
21. #scientist