I have a spiderman figure, that does fit to Lego bricks and who's hands are the same as a Lego Minifigure, but I can't find out if it is an official (albeit somewhat older) Lego product. Any ideas?
This looks like Spider-Man (Junior-fig). Although it is not so easy to confirm if your item is LEGO or clone-branded minifigure. You could look inside the legs if there are any LEGO logos.