Even today various Christian sects cannot agree on the matter. When the Christians did think about the priority of various texts about Jesus there was much debate about what was and what was not authoritative. The early Christians didn't think about establishing a canon-the 'Bible' for them were the Hebrew scriptures in various versions and combinations like the Septuagint-until the church was pretty well along in becoming an institution, long after the death of Jesus. The closest thing to an 'original' bible is probably the Septuagint of the second century B.C.E., a Greek version of Hebrew texts only referred to by scholars today but of much help to diasporic Jews in Egypt at the time.
The early Christians didn't think about establishing a canon-the 'Bible' for them were the Hebrew scriptures in various versions and combinations like the Septuagint-until the church was pretty well a Reading the original bible, even just the Christian canon, is not possible. Reading the original bible, even just the Christian canon, is not possible.