Im not sure if it's canceled or not but i do know that the first season is coming out on DVD in january.
<a href="http://www.amazon.com/exec/obidos/tg/detail/-/B0000VCZLG/ref=ase_joblosmovieempor/104-0555357-2926303?v=glance&s=dvd" target="_blank">Spider-man Season 1</a>