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#|


CmI'm (x3101x@1)no superman
D#sus2
I can't take your hand
A#And (x1333x@1)fly you anywhere
G# (xx1114@1)            A#You (x1333x@1)wanna go (yeah)

CmI (x3101x@1)can't read your mind
D#sus2
Like a billboard sign
A#And (x1333x@1)tell you everything
G# (xx1114@1)            
You wanna hear but

D# (x43121@3)         G#(strum (xx1114@1)once)
I'll be your hero

D# (x43121@3)        A#I, (x1333x@1)I can be everything you need
              CmIf (x3101x@1)you're the one for me
A# (x1333x@1)         G#Like (xx1114@1)gravity I'll be unstoppable

D# (x43121@3)        A# (x1333x@1)I, yeah I believe in destiny
            Cm (x3101x@1)    A#I (x1333x@1)may be an ordinary guy
               G#With (xx1114@1)heart and soul
    D# (x43121@3)          G# (xx1114@1)    A#But (x1333x@1)if you're the one for me
A# (strum once)  D#  A#
I'll be your hero ooh

                 CmA#
I'll be your hero       
G#Yeah (xx1114@1)I'll be your hero

A#So (x1333x@1)incredible
CmSome (x3101x@1)kind of miracle
D#sus2
When it's meant to be
G#I'll (xx1114@1)become a hero so I'll wait, wait
               D# (x43121@3)A#Wait, (x1333x@1)wait for you 
                    CmA# G#Yeah, (xx1114@1)Ill be your hero,   yeah


D# (x43121@3)        A#I, (x1333x@1)I can be everything you need
              CmIf (x3101x@1)you're the one for me
A# (x1333x@1)         G#Like (xx1114@1)gravity I'll be unstoppable

D# (x43121@3)        A# (x1333x@1)I, yeah I believe in destiny
            Cm (x3101x@1)     A#I (x1333x@1)may be an ordinary guy
               G#With (xx1114@1)heart and soul
    D# (x43121@3)          G# (xx1114@1)    A#But (x1333x@1)if you're the one for me
A# (strum once) D#  A#
I'll be your hero yeah

                 CmA#
I'll be your hero      
G#Yeah (xx1114@1)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