Based on the Marvel Previews #27, October for December 2014, I'd say you need to pre-order the following books in order to keep up with Spider-Man.
Core Titles
Amazing Spider-Man #11
Amazing Spider-Man #11, variant cover Gabriele Dell'Otto
Amazing Spider-Man #11, variant cover Marvel Animation Spider-Verse
Amazing Spider-Man #12
Amazing Spider-Man #12, variant cover Gabriele Dell'Otto
Amazing Spider-Man #12, variant cover Marvel Animation Spider-Verse
Amazing Spider-Man Annual #1
Amazing Spider-Man Annual #1, variant cover Simone Bianchi
Marvel Universe Ultimate Spider-Man: Web Warriors #2
Miles Morales: The Ultimate Spider-Man #8
Scarlet Spiders #2
Spider-Man 2099 #7
Spider-Man And The X-Men #1
Spider-Man And The X-Men #1, variant cover Bengal
Spider-Man And The X-Men #1, variant cover Skottie Young
Spider-Verse Team-Up #2
Guest Apps
All-New Ultimates #11
Avengers & X-Men: Axis #9
Avengers & X-Men: Axis #9, inversion variant cover
Avengers & X-Men: Axis #9, variant cover Paul Renaud
Captain America & The Mighty Avengers #3
S.H.I.E.L.D. #1, variant cover Mike Deodato
Uncanny X-Men #29
Spin-Offs
Axis: Carnage #3
Axis: Hobgoblin #3
Reprints
Amazing Spider-Man Vol. 2: Edge Of Spider-Verse TPB
Superior Spider-Man Vol. 3 HC
Ultimate Spider-Man Ultimate Collection Book 5 TPB