Most people dressed as superheroes
Who
Dreamworks' 'Megamind'
Where
United States Los Angeles, CA
When
The most people dressed as superheroes was achieved by 1,580 participants in an event organised by Paramount Studios to promote the Dreamworks movie 'Megamind' starring Will Ferrell, Brad Pitt and Tina Fey in Los Angeles, California, USA on 2 October 2010.