Based on the Marvel Previews #10, May for July 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 #16
Scarlet Spider #19
Superior Foes Of Spider-Man #1
Superior Foes Of Spider-Man #1, variant blank cover
Superior Foes Of Spider-Man #1, variant cover Matthes Waite
Superior Foes Of Spider-Man #1, variant cover Shane Davis
Superior Foes Of Spider-Man #1, variant cover Skottie Young
Superior Foes Of Spider-Man #1, variant MRCC sketch cover
Superior Spider-Man #13
Superior Spider-Man #14
Superior Spider-Man Team-Up #1
Ultimate Spider-Man #25
Guest Apps
Morbius: The Living Vampire #7
What If? AVX #1
What If? AVX #2
What If? AVX #3
What If? AVX #4
Spin-Offs
Alpha: Big Time TPB
Superior Carnage #1
Superior Carnage #1, variant cover Marco Checchetto
Venom #37
Venom #38
Venom: Toxin With A Vengeance TPB
Reprints
Spider-Man: Dying Wish TPB
Superior Spider-Man Vol. 2: A Troubled Mind TPB
Ultimate Spider-Man Ultimate Collection Book 4 TPB