Truemarmalade did this on the bottom of a deck and I own the 5 issues of Wolverine: Snikt! that Tsutomu Nihei illustrated. Did mine in black, 2 grays, then the two yellows. I'm going to go back and correct the fade behind him by cutting out just an outline of him, sticking it down and spraying again.

Updated with a whole new Wolverine, I actually had to start over, long story but it's fixed. Injury sustained in the line of duty. On the Montana Gold (Or any Montana spray cans), they have like a black ring under the caps (because you can switch caps), and it's like a safety to stop from spraying down. Well I had everything set up for a layer, and was bending over really fast to look under the paper to make sure I wouldn't get any under spray and smacked my head right off the cap. [Link]