The following are known Action Replay Codes for Spider-Man on Nintendo 64 (N64).

Device Compatibility: Action Replay & GameShark

All Costumes Unlocked
810ecd7effff

All Game Covers Unlocked
810ecd8effff

Comic Collection Unlocked
810ecd88ffff
810ecd8affff

All Characters In Viewer
810ecd80ffff
810ecd82ffff

All Slides Unlocked
810Ecd84ffff
810ecd86ffff

All Levels Unlocked
810ecd740105
810ecdb0ffff