Discover the Joker's most devastating trick in BATMAN: THE SMILE KILLER. <a href="/SYFY/?refid=13&__tn__=%2Cg"> SYFY</a> WIRE shares the first details here: <a href="https://bit.ly/2UL9QK3" target="_blank" rel="noopener"> <span> http://bit.ly/</span><wbr /><span ></span>2UL9QK3</a> <a href="/hashtag/dcblacklabel?refid=13&__tn__=%2Cg"> <span > #</span><span >DCBlackLabel</span></a>