The man who conceived the Merc with a Mouth is back in action for his first "Deadpool" interior pages in years. Rob Liefeld's upcoming work on "Deadpool" #900 can now be previewed online.

Marvel.com has fans' first look at Liefeld's upcoming collaboration with Joe Kelly, the writer credited with firming up 'Pool's full origin story and cementing him as a fan-favorite with his more than 33 Deadpool issues and specials from the characters first ongoing series.

"Deadpool" #900 contains a full line-up of creators organized to celebrate the antihero's faux anniversary (in reality, the character has seen less than 200 total issues from all of his combined series and specials), including Charlie Huston and Kyle Baker, Jason Aaron and Rick Staggs, Mike Benson and Damin Scott, Fred Van Lente and Dalibor Talijic, Duane Swierczynski and Shawn Crystal, and Victor Gischler and Sandford Green.

The issue arrive in stores October 15, but fans can feast their eyes on Liefeld's lines until then.