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