On the anniversary of Krypton's destruction, Superman and Jon prepare to honor the deaths of their ancestors in this <a href="/TheComicsBeat/?refid=13&__tn__=%2Cg"> The Comics Beat</a> exclusive preview of SUPERMAN #40: <a href="https://bit.ly/2EmRqYw" target="_blank"> <span> http://bit.ly/</span><wbr /><span ></span>2EmRqYw</a>