Ace of Swords - Eight of Cups
The threat doesn't happen.
The threat - Ace of Swords
doesn't happen. - Eight of Cups
Ace of Swords is a sharp double bladed weapon raised and in your face. Yup, that's a threat all right.
Eight of Cups is when you are on your way and it just doesn't happen: Something deflects you, and you get off that track. Incompletion happens. Detours happen. Our pilgrim will resume his trek to Jerusalem to join the Crusades as he must, but right now it's off on another tangent ...