Taking a look back on the biggest movies of 2012, what stands out is how many great heroes there were on the big screen. With so many superheroes, master thieves with hearts of gold, and warrior princesses, how could the 2013 MTV Movie Awards possibly not honor the Best Heroes of the year?

But to vote on Best Hero this year, you'll have to voice your opinion out loud. To vote, you'll have to include special hashtags in your tweets or in the captions of your Instagram photos.

Find out how to vote after the jump!

» To vote for Iron Man, use the hashtag #voteironman.

» To vote for Snow White, use the hashtag #votesnowwhite.

» To vote for Batman, use the hashtag #votebatman.

» To vote for Bilbo Baggin, use the hashtag #votebilbo.

» To vote for the Hulk, use the hashtag #votehulk.

» To vote for Catwoman, use the hashtag #votecatwoman.

Will Jennifer Lawrence get her silver lining in the form of a Golden Popcorn? Which beefcake will sizzle in our brand-new Best Shirtless Performance category? It's up to you to decide the winners of the 2013 MTV Movie Awards! Vote now, and tune in Sunday, April 14, at 9 p.m. ET, as star Rebel Wilson takes the stage at the Sony Pictures Studios lot in Culver City, California.