The first card we have here is the reversed Two of Pentacles. This card symbolizes your past relationship situation. It can indicate that you have been having a rough time in your relationship and this could affect your current life. You may have struggled with insecurity or unfounded expectations in your previous relationship that could affect your outlook on future marriage.
The second card is Strength. This card represents the current state of your relationship and reminds you to be level-headed and objective in your current relationship situation. It invites you to make decisions that are right for yourself and your relationship. It could also mean that you are facing legal or financial issues related to your marriage.
The last card is the Eight of Swords. This card represents future difficulties in your marriage. It could mean that there will be obstacles to overcome before making it to the altar. You may experience challenges with a partner or with your partner's relatives, but these trials will make you stronger as a couple. There will also be some trials to go through before you achieve happiness together.
In conclusion, the cards can predict a future marriage with obstacles to overcome but also with great opportunities to grow together as a couple. The advice you can draw from these cards is to be balanced and fair-minded during your journey towards marriage, so as to better face any future difficulties. Eventually, if you can stay strong and united, you will be able to achieve happiness together with your partner.