Batman: Legends of the Dark Knight (1989 - 1st Series) #26

Curt Eisenmann goes nuts and tries to kill Batman to gain favor in his mother's eyes. Then, he turns on her and "destroys" them both, while Batman escapes.

Characters: Batman; Curtis Eisenmann; Mrs. Eisenmann; Thomas Wayne; Martha Wayne

Script: Gil Kane; Howard Chaykin
Pencils: Gil Kane
Inks: Gil Kane
Colors: Steve Oliff
Letters: Willie Schubert