Couldn't find a tab for this anywhere, so I tabbed it myself. Enjoy. Comments can be directed to [email protected]
This is the intro/end of the Dr. Doom breakdown:
e-------------------------------
B-------------------------------
G-------------------------------
D-------------------------------
A-------------------------------
E-0-0-1-0-1-4-4-5-4-5-7-7-6-7-6-

Main riff:
e-------------
B-------------
G-------------
D-------------
A-------2s5s2-
E-0-0-0-------

Mini choruses:
e-----------------------------------
B-----------------------------------
G-5-5-5-5-5-5-5-5-5-4-4-4-4-4-4-4-4-
D-5-5-5-5-5-5-5-5-5-4-4-4-4-4-4-4-4-
A-3-3-3-3-3-3-3-3-3-2-2-2-2-2-2-2-2-
E-----------------------------------

Breakdown:
e-------------------------------------------------
B-------------------------------------------------
G-----2-----4-----------------2-----4-------------
D-----2-----4-----2-----2-----2-----4-----2-----2-
A-0-0---2-2-------2-----2-0-0---2-2-------2-----2-
E-------------0-0--0-0----------------0-0--0-0----

You end the breakdown by hitting a full E powerchord and letting it ring.