Theophylact of Ohrid

"After this He appeared in another form to two of them on the road, as they were going into the village." About these two, Luke also speaks (Luke 24:13–35).

Commentary on Mark ↗

Augustine of Hippo

Luke relates the whole story respecting these two, one of whom was Cleophas, but Mark here touches but slightly upon it. That village of which Luke speaks may without absurdity be supposed to be what is here called a farm house, and indeed in some Greek manuscripts it is called the country. But by this name are understood not only villages, but also boroughs and country towns, because they are without the city, which is the head and mother of all the rest. …

Catena Aurea by Aquinas ↗

Gregory the Dialogist

Therefore the Lord performed outwardly in the eyes of the body what was happening within them in the eyes of the heart. For they themselves within were both loving and doubting, while the Lord outwardly was both present to them and yet did not reveal who He was. To those speaking about Him He showed His presence, but from those doubting Him He hid the appearance of His recognition.

Forty Gospel Homilies, Homily 23 ↗

Bede

After this, however, he was shown in another form to two of them, as they walked and went into the country. And they went and told it to the rest, but they did not believe them. How this happened, Luke explains more fully. But what Mark says, he was shown in another form, Luke says more plainly, because their eyes were held, so that they should not recognize him, until, coming to the village where they were going and setting a meal for him as for a stranger, they finally recognized him in the breaking of bread (Luke 24). …

On the Gospel of Mark ↗