Vintage Lego Spider-Man's Train Rescue set 4855.

It features two collectible and rare minifigures:

Spd028 Spider-Man 3 - Dark Blue Arms and Legs, Silver Webbing

And

Spd027 Dr. Octopus (Otto Octavius) / Doc Ock, Sand Green Jacket, Sand Green Legs, Clenched Teeth Smile - With Arms

Both are $40+ standalone average value

The set is 100% complete and has instruction included