The responsibility of heroism gets a fresh look in Netflix’s “Jupiter’s Legacy,” a show that will admittedly pale in comparison to more escapist and accomplished recent deconstructions of superhero culture like Amazon Prime’s “Invincible” and “The Boys,” but that has long stretches of complex drama and interesting performances that hold it together enough to make me curious to see a second season. So much of the eight episodes in the first season are dedicated to telling parallel origin stories that it can sometimes get weighed down with the burden of that structure, but there are interesting themes weaved through this adaptation of the comic series of the same name by Mark Millar ("Wanted," "Kick-Ass") and Frank Quitely. Originally developed by Steven S. DeKnight (the kingpin of the Starz “Spartacus” shows), the creator was replaced in the middle of the season by Sang Kyu Kim due to creative differences, and that tonal uncertainty and inconsistency can be felt at times, especially around episodes three and four. But the strength of the source material sustains because of Millar’s nuanced ideas about a topic that someone who has written for