1rst part of intro
e----5-8---6-6-------|
B--6-----8-----8-6-5-|
G--------------------|
D--------------------| X 1
A--------------------|
E--------------------|

second part of intro
e------5---6---6------|
B--6-6---6---8---5----|
G------------------5--|
D---------------------| X 3
A---------------------|
E---------------------|

or you could play the second part like this whichever sounds better to you:
e------5---6---6------|
B--6-6---8---8---5----|
G------------------5--|
D---------------------| X 3
A---------------------|
E---------------------|