Based on the Marvel Previews #11, June for August 2013, I'd say you need to pre-order the following books in order to keep up with Spider-Man.
Core Titles
Marvel Universe Ultimate Spider-Man #17
Scarlet Spider #20
Scarlet Spider #21
Superior Foes Of Spider-Man #2
Superior Spider-Man #15
Superior Spider-Man #16
Superior Spider-Man Team-Up #2
Ultimate Spider-Man #26
Guest Apps
Nova #7
Savage Wolverine #8
Spin-Offs
Superior Carnage #2
Superior Carnage #2, variant cover Rafa Garres
Venom #39
Reprints
Age Of Ultron HC
Spider-Man / Wolverine By Zeb Wells & Joe Madureira HC