Here is the scoop on what these Super heroes are all about.
They are located on rooftops nearby is an oversized poster. A QR code take you to the location game platform SCVNGR where there are challenges at a variety of music and arts venues.
Completing a challenge will unlock a MidPoint reward like a free music download. Completing these challenges will generate user content; photos, text and social media, which will be integrated into the actual Radius film. The film will also feature a soundtrack with music from Midpoint bands, bringing the MidPoint story full circle. The posters encourage everyone to "Find Yourself in the Film."
Kind of late with this info, but that what was up if you didn't know.