The following are known Action Replay Codes for Spider-Man 2 on Nintendo Game Boy Advance (GBA).
These codes were also known as GameShark Codes and in most cases will work on both devices.

These codes are for the U.S. version of the game.

Master Code – Must Be On
adaa7ca1
dcbf3773
0676963e
8ce35e87

Infinite Lives
0bbc7682
dd8ab6cc

Infinite Health
35d69fc1
f7d0059b

Infinite Web
4934e652
cd193504

More Time
440c5229
3c3cebaa
5370f27c
8c81a471

Max Experience
df02b5b7
34ddab4b