Not until the development of modern critical New Testament scholarship was the importance of Mark recognized.
The text of the Gospel of Mark is not impressive on its face.
In our own era the Jesus of Mark appears in many writings, from science fiction novels like Over the last two centuries, as scholars began to recognize the importance of the Gospel of Mark to the development of the Christian canon, scholarly interest in the Gospel has grown exponentially.
Exegetes have come to realize the brilliance and complexity of its composition while at the same time puzzling over the many enigmas it poses.
All this is enhanced by the numerous emendations made to the text by scribes who tried to alter what they perceived as Markan errors and misunderstandings.