Doctor Octopus locates the space ship because falling snow covers it. Moments later he observes it on a monitor in an area devoid of snow.
Barto tells Spider-Man to press the red button to fire his weapons. The button he presses is white but the weapons still fire.
The winch that raises and lowers Doctor Octupus's hideout is electric but Spider-Man operates it like it's mechanical by turning a crank.