In the starting you just stum the power chords (this is also for the verse)

e-----------------------------|
B-----------------------------|
G---------77------------------|
D------99-77-77--55-44--------|
A------99-55-77--55-44--------|
E------77----55--33-22--------|


Through the next intro part the power chords are also being strumed in the background
e--------------------------->
B------------3h5p3----3---3->
G--------2h4-------4-------->X3
D----------------------4---->
A--------------------------->
E--------------------------->


then
e--------------------------|
B------------3h5p3----(b)5-|
G--------2h4-------4-------|
D--------------------------|
A--------------------------|
E--------------------------|

for the second half of the verse you play the intro chords on the off beat


prelude to chorus
e--------------------------|
B--------------------------|
G--------------------------|
D-44444444-5555-7777-------|
A-44444444-5555-7777-------|
E-22222222-3333-5555-------|


Chorus
e--------------------------------------|
B--------------------------------------|
G--------------------------------------|
D----------7-7-7-7---------------------|
A-9-9-9-9--5-5-5-5--7-7-7-7--5-5--4-4--|
E-7-7-7-7-----------5-5-5-5--3-3--2-2--|

FIN