Each week we search and gather up the coolest comic book art you won't see in actual comics. The reason you won't is because professional artists often draw sketches for fun or commissions and post them on their websites, blogs, and Tumblrs. Some artists even arrange commissions through their sites so be sure to check them out. This is a way to see the artists working on one book draw characters from other comics or publishers.

　　Bill Sienkiewicz posted a tribute to Muhammad Ali on Twitter.

　　Francesco Francavilla also posted a Muhammad Ali pic on his Tumblr.

　　Khary Randolph posted an Ali pic to along with a Doctor Strange commission on his Instagram.

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　　Ryan Stegman posted more sketches on his Tumblr. They go up for sale here.

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　　Brett Booth posted some new sketches on his Twitter this week.

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　　Andrew Robinson posted some commissions from Dallas on his Instagram.

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　　Dustin Nguyen posted new sketches on his Instagram.

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　　Chrissie Zullo posted some Zootopia sketches on her Facebook page.

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　　Denis Medri posted new sketches on his Deviant Art page.

　　Tom Raney posted commissions from Phoenix Comicon on his Twitter.

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　　Agnes Garbowska posted new drawings on her Tumblr.

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　　Marcio Takara posted is arranging new commissions through his Tumblr.

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　　Ryan Ottley posted commissions from Fan Expo Dallas on his Tumblr.

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　　Chris Giarrusso put more sketch cards for sale on his website.

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　　Mike McKone posted recent commissions on his Twitter.

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　　Joel Gomez posted new sketches on his Tumblr.

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　　Peter Nguyen also posted some sketches on his Tumblr.

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　　Franco posted more Daily Doodles on his Instagram. You can buy his original art here.

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　　Jim Cheung posted new sketches on his Instagram.

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　　Mike Henderson posted new art on his Instagram. You can buy his original art here.

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　　Mike Maihack posted new art on his Tumblr.

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　　Todd Nauck posted commissions from Phoenix on his Tumblr.

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　　That's it for this week. Let us know which ones you dug. We'll have more awesome art next time.