You'l have a device to use while on-site.

ENGADGET: Google invites Glass pre-order holders to hackathons in New York, San Francisco

Since its launch at Mobile World Congress (MWC) last year, Optimus L Series smartphones have become the device of choice for individuals around the world who favor a well-balanced smartphone with a unique design.

ENGADGET: LG touts 15 million Optimus L Series phones sold like so many refrigerators

L.D. database on your second screen device accessing personnel files, comic book origins andexclusive interactive content with The Avengers Initiative: A Marvel SecondScreen Experience.

ENGADGET: The Avengers Initiative Second Screen app goes live on iTunes in time for Comic-Con