2012 Reissue
The entire issue was reprinted as DC Comics Presents: Elseworlds 100-Page Spectacular #1 (indicia title: DC Comics Presents: Elseworlds 80-Page Giant #1) with a cover date of January 2012 and a cover price of $7.99 US. It went on sale December 28, 2011.
The 2012 reissue included one story not included in the original 1999 edition: The Batman by Paul Pope (story and art), a tale of a Jewish Batman in 1939 Berlin. This story originally appeared in The Batman Chronicles #11, Winter 1988.
Source for on-sale date: publisher's website - http://www.dccomics.com/dccomics/comics/?cm=20654
Read more about this topic: Elseworlds 80-Page Giant