This document compares major social media platforms to Avengers heroes based on similarities between their attributes and characteristics. Facebook is compared to the Hulk for its large size but issues with privacy and credibility. Slideshare is likened to Black Widow for containing valuable information while supporting others. Google+ struggles to gain users like lonely Loki. Renren and Captain America are powerful local contenders. WordPress and Iron Man are tech-savvy with no major rivals. Twitter and Thor are fast-growing and powerful. LinkedIn and The Thing are strong but inflexible connectors of people. Flickr and Nick Fury were once amazing but now fading presences.