Here is the full list of all 45 Spider-Man: Web of Shadows achievements worth 1,000 gamerscore.
Spider-Man Maxed Out
Black Suit Conclusion earned
Black Cat Conclusion achieved
100 enemies parried then counter attacked
Half of all Collectibles found
Spent time with Black Cat
20 Enemies Web-Strike Bounced in succession
Red Suit Conclusion earned
First Black Suit Choice
Game Completed
Mary Jane Conclusion achieved
Symbiote Vulture Defeated
Symbiote Black Cat defeated
Symbiote Wolverine Defeated
60 Bonus Goals completed
All Upgrades purchased
Symbiote Electro defeated
Half of All Optional Goals completed
Act Two completed
250 Hit Combo “Neighborly” executed
Electro defeated
1000 Enemies defeated
Defeated Venom twice
Defeated 50 Enemies using only Wall Combos
Wolverine defeated
1 enemy parried then counter attacked
Vulture defeated
100 City Crimes thwarted
First Tech Mech defeated
Tech Mech Pilot pulled from his seat
500 Enemies defeated
Black Cat defeated
Black Cat Spurned
Performed all three types of attacks (Ground, Air, Wall) on a single enemy 10 times
Act One completed
First Red Suit Choice
50 Enemies defeated using only Air Combos
5 Enemies Web Swing-Kicked in a single pass
100 Collectibles found
25 City Crimes thwarted
100 Enemies defeated
50 Enemies defeated using only Ground Combos
Defeated Venom once
100 Hit Combo “Ownership” executed
50 Hit Combo “Spider Silk” executed