Detective Comics, Vol. 1 #588 (1988)

Night People, Part 2: The Corrosive Man
Derek Mitchell, now the Corrosive Man, emerges from the explosion and inadvertently burns several police officers and firemen; Batman arrives and is eluded by Corrosive Man, who continues his search for Kadaver; Webley arrives at the lair of Kadaver and finds out he killed the wrong homeless man and is sent back out; Webley attacks the right homeless man as Batman arrives to witness the murder.
Release Date: 1988