Okay, I just watched the movie, tabbed from there.

Cm - x35523
D#sus2 - x68866
A# - 688766
G# - 466544
D# - x68886


INTRO: 
  1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4
 |Cm     |D#sus2 |A#     |G#   A#|


Cm
I'm no superman
D#sus2
I can't take your hand
A#
And fly you anywhere
G#              A#
You wanna go (yeah)

Cm
I can't read your mind
D#sus2
Like a billboard sign
A#
And tell you everything
G#              
You wanna hear but

D#           G# (strum once)
I'll be your hero

D#          A#
I, I can be everything you need
              Cm
If you're the one for me
A#           G#
Like gravity I'll be unstoppable

D#          A# 
I, yeah I believe in destiny
            Cm      A#
I may be an ordinary guy
               G#
With heart and soul
    D#            G#      A#
But if you're the one for me
A# (strum once)  D#  A#
I'll be your hero ooh

                 Cm A#
I'll be your hero       
G#
Yeah I'll be your hero

A#
So incredible
Cm
Some kind of miracle
D#sus2
When it's meant to be
G#
I'll become a hero so I'll wait, wait
               D#  A#
Wait, wait for you 
                    Cm A# G#
Yeah, Ill be your hero,   yeah


D#          A#
I, I can be everything you need
              Cm
If you're the one for me
A#           G#
Like gravity I'll be unstoppable

D#          A# 
I, yeah I believe in destiny
            Cm       A#
I may be an ordinary guy
               G#
With heart and soul
    D#            G#      A#
But if you're the one for me
A# (strum once) D#  A#
I'll be your hero yeah

                 Cm A#
I'll be your hero      
G#
Yeah I'll be your hero
A#(strum once)
Hero

Alternatively, you can put a capo on first, and play without the sharps,
but this is how it was played in the movie, and personally sounds better.
KTHXBAI <3.