This issue has variants.
Some copies contain a 12 page insert for the Mask comic series.
On sale date from Meanwhile column in Secret Origins (DC, 1986 series) #4 "(Week of...)"
The Fourth Printing appears to be the same as the Second Printing, except for the printing declaration in the indicia.
Color credits confirmed by Anthony Tollin.
Story continues in Detective Comics #564. Story title from Ralf H. Kienzle on 12 September 2004 (confirmed by Matthew Z. Head on 19 September 2004). Was previously "Box-Office Smash."