Drawing for an article on TopTenz.net "10 Marvel DC Superhero Mashups" [link]
From the website:Please be respectful and do not copy these images. These characters were paid for and created for Toptenz.net exclusively. If you are interested in using one on your site, please email me (firstname.lastname@example.org) and we can discuss it. Don’t steal our images, please. Or I’ll send CyThing after you.
(I don't know if I'm allowed to post this here or not. If they send CyThing to me I'll take it down!)