Where Eagles Dare is part of a rather large shared universe and is set in the same universe as all of the following right here...
Saving Private Ryan
Deathwatch
Overlord
Band Of Brothers
The Indiana Jones Trilogy
Runaway Train
The Dollars Trilogy
Enter The Dragon
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The Invisible Man (2020)
The Exorcist
The Exorcist III: Legion
Empire Of The Sun
And a whole lot more...