The very be gining starts with a full bend of the low e string first fret 3times

main riff

e|-----------------
b|-----------------
g|-----------------
d|--5--8-8--10-10--13/12\13/12\13/12--8-8-10-10
a|--3--6-6--8--8---11/10\11/10\11/12--6-6--8--8
e|-----------------

first and last bridge

e|--
b|--
g|--
d|--
a|--3-3-6-3-2-1-1-1---0-1-2-3-3-6-3-2-1-1-1---0-1-2-3-3-6-3-2-1-1-1
e|------------------1-----------------------1----------------------

verse

e|--
b|--
g|--
d|------------6-5-6-5-6-5-
a|--3-6-6-8-8-------------6-6-8-8/slide up and repeat
e|--

second bridge listen to the song you will here it (hint it comes after the verse)
Play twice in between verses
e|---
b|---
g|--10-8-5-5------------3-4-5-5-5-------------3-4-5-
d|--10-8-5-5----3-3-4-5-------5-5-----3-3-4-5-------
a|--8--6-3-3-3-6--------------3-3-3-6---------------
e|---

On the second time play this at the end it leads into the solo

e|--
b|--
g|--7-5
d|-----7-4-5-3
a|------------3-3/5-5
e|--

the solo and then play that rift 2 times and then go back to this
Play 4 times
e|--
b|--
g|--5-5-------------3-4-5-
d|--5-5-----3-3-4-5-------
a|--3-3-3-6---------------
e|--

go back to the last bridge and he solos most of the end

Good luck playing iron man!!!!

p.s. sorry i don't know the solos.