Last week’s My Adventures With Superman was a light affair that brought in Jon Kent, Clark and Lois’ time-traveling son from the future. Now we’re at a major junction of the season, so it’s time to get serious and kick things up a notch. “The Death of Superman,” named after the 1992 comic event broadly inspiring the overall season, sees Clark, Kara, and Jon go blow-for-blow against Hank Henshaw, a...