This week alone we've got to see hundreds of photos under the '#10yearchallenge' hashtag, starting from some stunning transformations and ending in hilarious memes from all across the internet. And while it seems that that pool's been drained, there are still some hidden gems waiting to be picked up. One of them, the undeniable icon of our pop culture, Marvel universe, is another excellent source of entertainment. If heroes from that world had social media profiles, we're pretty sure they'd post something under the infamous hashtag. So scroll down and check out to see what their #10yearchallenge would look like and don't forget to comment and vote for your favorite ones!