In Amazon Prime Video app (or any other app), just click on the movie's icon which you want to watch and just take a screenshot. Crop the date and time (up) toolbar as well as the cast and crew names (down).
Coming to the icon, first copy the link which you would like to share. Open the messaging dialogue box and click on the third icon next to Italics icon. Click on the fourth option which includes the alignment. For sharing movies or series links, center alignment (second option) is usually preferred.
Next click on the hyperlink icon (next to the three dots, fourth icon). First, paste the link/URL copied and next type the text which has to be displayed in order to lead us to the web page/app page when clicked on it. Then click on Insert.
Attach the ss below the hyperlinked text.
For example, the text will be displayed
Like this.