This is the Original Lineart by Iceman himself, and another Lineart which he has drawn if anyone wishes to collaborate with him of Thor and Thanos.
Let's collaborate! Superman Inked Lineart
Let's collaborate! Thor vs. Thanos Inked Lineart
You guys can find more about these, or hit up Iceman himself :
here: http://yaoi.y-gallery.net/user/iceman/ ( y!gallery )
and here : http://icemanblue.com/ ( website )
and even here : http://icemanblueofficial.blogspot.com/ ( Blog )
Enjoy you guys !! and viva art trades and collabs !!