12 Afterward Jesus appeared in a different form to two of them while they were walking in the country.

Read Mark 16:12 Using Other Translations

After that he appeared in another form unto two of them, as they walked, and went into the country.
After these things he appeared in another form to two of them, as they were walking into the country.
Afterward he appeared in a different form to two of his followers who were walking from Jerusalem into the country.