A sequel to this summer's The Amazing Spider-Man is already in development, with hot writing team Alex Kurtzman and Roberto Orci working on a script, according to Hollywood Reporter.  Kurtzman and Orci have previously teamed on geek fare such as Star Trek, Transformers, Mission Impossible III, Cowboys & Aliens, and the Locke & Key pilot. 
The first film in the reboot series opens July 3rd, starring Andrew Garfield (see "Two More 'Amazing Spider-Man' Reboot Posters" and "Kinetic New 'Amazing Spider-Man' Int'l Trailer").  The studio has claimed May 2, 2014 for the sequel.