Superheroes Introducing Themselves - Video Supercut

Here's a new video from Screen Junkies that features several scenes from films in which superheroes introduce themselves. If you think about it, it's got to be a little weird for superheroes to introduce themselves the way they do. How do they know people are actually going to take them seriously? I would think in real life, they would get laughed at a lot. 

Here's the superhero roll call, which was edited together by Louis Plamondon.