Tribute to various covers that graced the DC reprint Giants over the years, and to DC's Secret Origins title.
Fourth appearance, second solo story; previous appearance in Big Bang Comics (Image, 1996 series) #4 (September 1996); next appearance in Big Bang Comics (Image, 1996 series) #9 (March 1997). Silver-Age Flash [Barry Allen] tribute.
Jerry Siegel and Joe Shuster Superman tribute. Previous appearance in Big Bang Comics (Image, 1996 series) #4 (September 1995); next appearance later in this issue.
Golden-Age Bob Kane Batman tribute. Previous appearance in Big Bang Comics (Image, 1996 series) #4 (September 1996); next appearance in Big Bang Comics (Image, 1996 series) #7 (December 1996).
Silver-Age Superman tribute, and this citadel is very similar to his Fortress of Solitude. Next appearance in Big Bang Comics (Image, 1996 series) #12 (July 1997). Actual title on this story misspells "citadel" as "citidel", but the correct spelling is used in the table of contents in this issue, showing the intention.
Letters from El Sloano, Joseph F. Carroll, Marshall T. Williams, Jon Gilbert, Henry Kujawa, and Adam Paige.
House ad for next issue, Big Bang Comics (Image, 1996 series) #6 (which reprints Vol.1 #3).
Ad for Action Figures Unlimited (maker of custom Big Bang action figures).
Pin-up of Mighty Man; Golden-Age C.C. Beck Captain Marvel tribute.