What's Wrong With This Picture?

Murphy wanted one of the Avengers on his birthday cake. I'll give you two guesses which one:

 

"By Grabthar's hammer, by the suns of Warvan, YOU SHALL BE AVENGED."

To be fair, it's not like the character's name was written right on that big piece of plastic or anyth...

 OH COME ON.

Well, look on the bright side, Murphy: now you've got a cool new nickname, and your Iron Man cake probably would have looked like this anyway:

 

Thanks to Molly P. and Deborah for letting me work in a good Galaxy Quest quote. Never give up! Never surrender! Can you form some sort of rudimentary lathe?