The Nazi-dominated world of Earth X gives us that scary feeling of what if Adolf Hitler has taken over the world and influenced our DC heroes that freedom, truth and justice are unnecessary.
Know the other Earths in the DC Multiverse Playlist here:    • DC Multiverse Origins  

What is Earth X 00:00
JL AXIS / New Reichsmen
Overman 01:01
Brunhilde 03:03
Underwaterman 03:53
Leatherwing 04:17
Overgirl 05:03
Dark Arrow 07:11
Blitzkrieg 08:34
Plasstic Men 09:30
Siren X 10:54

Freedom Fighters
Phantom Lady 12:37
Doll Man 14:20
Doll Woman 15:49
Uncle Sam 16:20
Black Condor 17:48
Human Bomb 18:54
The Ray 19:58
Leo Snart 22:06
Vibe 22:39
Red Tornado 23:17
Others 23:56

References:
1. Justice League of America (Vol.1, No.108 December 1973)
2. Freedom Fighters: The Ray (2017)
3. Final Crisis (no.3, 6, 7 March 2009)
4. The Multiversity: Mastermen (April 2015)
5. Final Crisis: Secret Files (February 2009)
6. Freedom Fighters (Vol 3, No 6, July 2019)
7. Final Crisis: Superman Beyond (no. 1-2 October 2008)
8. Countdown to Adventure (No. 2, November 2007)
9. Countdown to Adventure (No. 4, January 2008)
10. Countdown to Final Crisis (No.16, January 2008)
11. Freedom Fighters (Vol.3, No.1, 3, 11 February 2019)
12. The Flash “Fury Rouge” (Season 4 Ep 19, 2018)
13. Crisis on Earth X (CW, 2017)
14. Phantom Lady and Dollman (No. 1-12, October 2012) https://readcomiconline.to/Comic/Phan...
15. Justice League of America (Vol 1 No 107, October 1973)
16. Freedom Fighters (Vol1 No.4, September 1976)
17. Justice League of America (no.108 December 1973)
18. Freedom Fighters (Vol2 no1, September 2010)
19. Police Comics (no. 1 August 1941)
20. Feature Comics (no. 27, December 1939)
21. Doll Man (no.10, Autumn
22. Doll Man (no. 1, Autumn 1941)
23. Freedom Fighters (Vol 1 No 5, December 1976)
24. Uncle Sam and the Freedom Fighters (Vol.2 No.3 January 2008)
25. Freedom Fighters (Vol.3 No. 2-4, 2019)
26. The Spectre (Vol 3 No.37 January 1996)
27. Uncle Sam and the Freedom Fighters (Vol.2 No.2 October 2006)
28. All-Star Squadron (No.32 April 1984)
29. Batman Brave and the Bold “Cry Freedom Fighters” (Season 2 Episode 22, 2010)
30. Crack Comics (no.1, 1941)
31. Black Condor (no.1, June 1992)
32. Infinite Crisis (no.1, December 2005)
33. Uncle Sam and the Freedom Fighters (Vol1 No.3 November 2006)
34. Freedom Fighters (Vol.2, No.1, September 2010)
35. The Ray (Vol.2 No.8, January 1995)
36. Crisis on Infinite Earths (2020)

Music:
"Sign" by Serge Pavkin
Sign [No Copyright Claims] - Dark Action Background Music For Videos and Game Streams
   • Free Music / Dark Action Background M...