This issue is a variant of G.I. Joe, A Real American Hero (Marvel, 1982 series) #26 [Direct Edition]. There exist further variants.
Zeck pencils credit confirmed and Wiacek inks credit supplied by www.mikezeck.com (15 June 2011). Original indexer listed Larry Hama as penciler & Steve Leialoha as inker.
continues next issue; Storm Shadow revealed as Snake-Eyes' sword brother from the same ninja clan, real first name is Tommy, and last name in Japanese loosely translates as his Cobra codename, Storm Shadow.