This is what i found on comicbookherald.com:
Collected Spider-Geddon Trades
Spider-Geddon: Edge of Spider-Geddon
Collects: Edge of Spider-Geddon #1 to #4, Superior Octopus #1
Spider-Geddon
Collects: Spider-Geddon #0 to #5, Spider-Geddon: Vault of Spiders #1 to #2
Spider-Geddon: Covert Ops
Collects: Spider-Force #1 to #3, Spider-Girls #1 to #3
Spider-Geddon Comics Reading Order
Edge of Spider-Geddon #1 to #4
Spider-Geddon #0
Superior Octopus #1
Spider-Geddon #1
Spider-Geddon #2
Peter Parker: The Spectacular Spider-Man #311
Peter Parker: The Spectacular Spider-Man #312
Despite publication after Spider-Geddon #3, Spectacular #312 should be read in conjunction with issue #311. This helps make Miles Morales involvement align with the main event issues.
Spider-Gwen: Ghost Spider #1
Spider Girls #1 (written by Jody Houser)
Spider-Force #1 (by Christopher Priest with art by Paulo Siqueira)
Vault of Spiders #1
Spider-Geddon #3
Vault of Spiders #2
Spider-Force #2
Spider-Geddon #4
Spider-Gwen: Ghost Spider #2
Spider-Girls #2
Spider-Force #3
Spider-Gwen: Ghost Spider #3
Spider-Girls #3
Peter Parker: The Spectacular Spider-Man #313
Spider-Geddon #5