Once you start a new game on road to Wrestlemania you are given 5 options. choose the one on the far left vs. Undertaker. You don't face him right away of course you do that on week 13. On week 8 or 9 you will meet Paul Bearer, he will give you challenges. Those challenges are souls Undertaker have taken in his past. On week 9 you will fight Jake "the snake" Roberts. On week 10 it is Superfly Jimmy Snooka, and on week 11 you will have an urn that contains Masked Kane's soul; he will give you a warning about Undertaker. Proceed to the ring, finally on week 12 and 13 you can fight Paul Bearer and The Undertaker.
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