This issue is a variant of Irredeemable (Boom! Studios, 2009 series) #4. There exist further variants.
Per indicia: Copyright  Boom! Studios. Printed in Canada.
Spokes' variant covers to #1-12 will spell out "Irredeemable". This cover features the first E. It was offered to retailers as a 1-in-10 incentive. A "negative" variant using this cover's art also exists, as indexed below.
This variant, exclusive to retailer A Comic Shop and limited to 500 copies, uses Spokes' art to Cover C in "negative".
This convention exclusive, limited to 500 copies, uses Cassaday's black-&-white art to Cover A.
The inside front cover has head shots of cast from previous issues and recap of story so far, plus logo, credits, and indicia set against negative red-&-black detail of #1's Cover A.
Story is untitled beyond series title. First line: "Tony and I first met 5.7 years ago."