The Joker and the Stag (the ritual murderer of exemplars introduced in last year's Batman Annual) knocked him out.
He woke up restrained.
" Exciting! " smiled the Joker.
" I wasn't sure you'd wake up this time. "
( Batman took in his surroundings. )
He woke up restrained.
" Exciting! " smiled the Joker.
" I wasn't sure you'd wake up this time. "
( Batman took in his surroundings. )

Part of my Poison Ivy kick this summer took me to John Layman's Detective Comics. She pops in and out of the Emperor Penguin story, but had more of an impact in the three part Gothtopia that ran in Detective #27-29.