Lyrics
Verse 1
(Thor)
I'm mighty Thor
And this is war
You see my hammer, [bad word] for the door. 
(Iron Man)
heart of steel
With  appeal
I guess this super secret boy band is the real 

Bridge 
(Black Widow backed up by Hawkeye)
Master assassin, but with some fashion
Bashing in heads for you
 [bad word] 
Yeah we can light up the sky like nobody else
We're stopping all the bad guys, they're just overwhelmed.
You say that you have an army, we have a Hulk. 
Earth's Mightiest Heroes! 
Avengers Assemble!
We are the ultimate fighting team. 
Brought together by S.H.I.E.L.D. leader Nick Fury
Let's kick the [bad word] out of Thor's brother Loki!
Earth's Mightiest Heroes! 
Avengers Assemble!
Let's go -oh -oh!
Avengers Assemble!

Verse 2 
(Captain America)
Super soldier
I'll be your shield
I can kick all kinds of [bad word] on the battlefield
(Hulk)
So what i'm green
With cut off jeans
You. wouldn't. like. me. when i'm angry!

Bridge 
(Black Widow)
Master assassin, but with some fashion
Bashing in heads for you
 [bad word] 
Yeah we can light up the sky like nobody else
We're stopping all the bad guys, they're just overwhelmed.
You say that you have an army, we have a Hulk. 
Earth's Mightiest Heroes! 
Avengers Assemble!
We are the ultimate fighting team. 
Brought together by S.H.I.E.L.D. leader Nick Fury
Let's kick the [bad word] out of Thor's brother Loki!
Earth's Mightiest Heroes! 
Avengers Assemble!
Let's go -oh -oh!
Avengers Assemble!

Na na na na na na na na na nah
Nah nah nah nah nah nah nah nah, Moves Like Batman...

Middle 8
Cap - Baby, i once jumped real far on my motorbike
Thor - I am the God of Thunder, i said God that's right. 
Iron Man - I slept with 12 Playboy Bunnies... in one night.