MOOCs have grown significantly since first emerging in 2008 but completion rates remain low at 4-5%. While MOOCs were initially seen as democratizing education, studies show the primary users are already affluent and educated. However, MOOCs have evolved from simple online lectures to more interactive experiences and provide benefits to some students in developing countries or those seeking to bolster skills. One popular MOOC on superheroes explores their history and impact in pop culture through a collaboration between edX and the Smithsonian Institution.