To embed your Figma prototype do the following steps:
1. Make sure you have your project open and click that blue SHARE button on top.
2. Select the Embed tab and copy the code snippet.
3. Paste the code snippet in one of the Embed Code section boxes in your map or persona at UXPressia. It will take a few seconds to load. Finally, it will render and will look somewhat like this:
You can read more on embeding your prototypes on the official Marvel App help center: