SKRULL

Atomman's vilain:The Terrible SKRULL:

 The first appearance of the character was in Atomman # 15 released in
November 2010

Then he appeared in # 17 in January 2011

and later in # 29 but not on the cover

 He appeared on the cover of # 30 however in February 2012

 Note:Here is an alternate cover for # 15  with a different surronding but the seated figure remaining intact.

http://community.webshots.com/user/siralbarrett