Based on the Marvel Previews #3, October for December 2012, I'd say you need to pre-order the following books in order to keep up with Spider-Man.
Core Titles
Amazing Spider-Man #699
Amazing Spider-Man #699.1
Amazing Spider-Man #700
Amazing Spider-Man #700, ASM 50th Anniversary variant
Amazing Spider-Man #700, Coipel variant
Amazing Spider-Man #700, Humberto Ramos wraparound variant
Amazing Spider-Man #700, Quesada variant
Amazing Spider-Man #700, Steve Ditko unused AMFAN #15 variant
Avenging Spider-Man #15
Avenging Spider-Man #15.1
Marvel Universe Ultimate Spider-Man #9
Scarlet Spider #12
Scarlet Spider #12.1
Ultimate Spider-Man #18
Guest Apps
none?
Spin-Offs
Venom #28
Reprints
Marvel Masterworks: The Amazing Spider-Man Vol. 15 HC
Marvel Masterworks: The Amazing Spider-Man Vol. 15 HC, variant edition
Marvel Universe Ultimate Spider-Man Comic Reader #4
Spider-Man: Ends Of The Earth TPB
Carnage: Minimum Carnage TPB
Nova Classic Vol. 1 TPB