Contradiction with Matthew 28:1
This verse mentions Mary Magdalene and the other Mary going to see the sepulchre, not just Mary Magdalene and the other disciple.
Matthew 28:1: In the end of the sabbath, as it began to dawn toward the first [day] of the week, came Mary Magdalene and the other Mary to see the sepulchre.
Contradiction with Mark 16:1
This verse refers to Mary Magdalene, Mary the mother of James, and Salome going to the tomb, differing from John 20:2 which mentions only Mary Magdalene.
Mark 16:1: And when the sabbath was past, Mary Magdalene, and Mary the [mother] of James, and Salome, had bought sweet spices, that they might come and anoint him.
Contradiction with Luke 24:10
This verse states it was Mary Magdalene, Joanna, Mary the mother of James, and other women, contradicting the presence of only Mary Magdalene mentioned in John 20:2.
Luke 24:10: It was Mary Magdalene, and Joanna, and Mary [the mother] of James, and other [women that were] with them, which told these things unto the apostles.