Contradiction with John 13:27
This verse shows Judas as being directly influenced by Satan, suggesting his actions were driven by evil influence rather than his own decision, in contrast to Mark 14:10 where his actions appear more self-motivated.
John 13:27: And after the sop Satan entered into him. Then said Jesus unto him, That thou doest, do quickly.
Contradiction with Luke 6:16
Lists Judas among the apostles without any indication of betrayal, whereas Mark 14:10 highlights his intention to betray Jesus.
Luke 6:16: And Judas [the brother] of James, and Judas Iscariot, which also was the traitor.
Contradiction with John 17:12
Describes Judas’s betrayal as fulfillment of prophecy, implying a predetermined action, while Mark 14:10 depicts it as a deliberate choice by Judas.
John 17:12: While I was with them in the world, I kept them in thy name: those that thou gavest me I have kept, and none of them is lost, but the son of perdition; that the scripture might be fulfilled.