During the opening scene Bugenhagen says he is quoting from the Book of Revelation but he’s actually quoting the Apostle Paul from 2nd Thessalonians 2:8 KJV:
2 Thessalonians 2:8
King James Version
8 And then shall that Wicked be revealed,
whom the Lord shall consume with the spirit of His mouth,
and shall destroy with the Brightness of His Coming:
https://www.biblegateway.com/passage/?search=2%20Thessalonians%202%3A8&version=KJV
There’s also another error when Damien is reading from his Bible as instructed by his sergeant (Lance Henriksen) - Damien is ostensibly reading from the Book of Revelation but also quotes from Daniel 8 (if memory serves) - “...and by peace shall destroy many...”)
Omen II had William Holden-I know I’ve seen it-I just don’t remember it.
I don’t know if you have streaming tv- The First Omen gets good reviews, it’s set differently, Nell Tiger Free is the lead actress. I’ve been meaning to watch it on Hulu (free thru the Disney channel).
It’s called a “ horror prequel”.