Spoilers: Batman #142 – Joker’s Mentor Cut to the past, where we see a very familiar scene of the Joker coming out of the Ace chemical plant (as seen in The Killing Joke). Share this:TwitterFacebookRedditEmailLike this:Like Loading...Pages: Page 1, Page 2, Page 3, Page 4, Page 5, Page 6, Page 7, Page 8, Page 9, Page 10, Page 11, Page 12, Page 13, Page 14, Page 15, Page 16, Page 17, Page 18 Pages ( 3 of 18 ): « Prev12 3 45 ... 18Next »