Here is the full list of all 46 The Amazing Spider-Man 2 achievements.
Defeated 500 enemies
Completed 5 races
Disarmed 50 enemies
Saved 50 civilians
Completed 10 rescue situations
Retrieved all parts of Detective's journal
Completed all photo challenges
Retrieved all parts of Menken's journal
Photographed all Cletus Kasady symbols
Unlocked all character bios
Completed the game on Human difficulty
Completed the game on Hero difficulty
Completed the game on Super Hero difficulty
Defeated Carnage
Damaged Carnage with fire at least 3 times before defeating him
Performed 50 signature moves
Defeated Green Goblin
Destroyed 20 body armors
Destroy any armored enemy using Web-Strike
Completed all hideouts
Defeated 300 enemies
Completed 10 petty crime situations
Achieved 30 multidodges
Defeated Electro
Defeated Kingpin
Acquired the Ionic Web ablity
Defeated Kraven
Defeated Black Cat
Defeated Cletus Kasady
Completed a hideout without being spotted
Defeated 25 enemies by performing stealth takedowns
Acquired the Seismic Blast ability
Defeated Shocker
Defeated 100 enemies
Performed 15 signature moves
Heroism to the maximum
Achieved 100 critical hits
Achieved a combo streak of 42
Collected all Spider-Man comic books
Retrieved all parts of Black Cat's journal
Unlocked all suits
Completed all combat challenges
Reached maximum levels for all suits
Unlocked all concept art
Completed 10 deadlock situations
Completed 10 building on fire situations