Popsugar Entertainment Movie Pictures Marvel Movie Characters Over the Years Photos From Iron Man to Infinity War, See How Much the Avengers Have Changed Over the Years 4 May 2018 by Mekishana Pierre View On One Page Photo 21 of 125 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 21 Happy in Iron Man 2, coming through when Tony needs him as usual! Previous Next Start Slideshow Movie PicturesMoviesThe Avengers