I've read the first two tpbs of the New 52 Wonder Woman. A story point of that series is Zeus constantly has illegitimate children and Hera kills them and Zeus' mistresses. Zeus for his part as usual does little to help them.
Several Marvel Herc stories have shown Zeus continues his amorous pursuits in modern times. Hera hounds them. Zeus does little to help.
Hercules is one of those who have suffered the worse due to Hera's attention and Zeus' neglect. It is reasonable to think that Zeus has at least a couple of demigod children running around. Hera will kill them if given a chance. Hercules knows all of this. As the noblest of Olympians, favorite son of Zeus (aka the one who can get away with more crap then anyone else) and god of heroes, to what extent is Hercules' moral obligation to do something about it? If Hercules finds out about Hera going after one of Herc's half-siblings is he obligated to step in and try and protect them? Should he step in? How long should he protect them since the moment he turns his back Hera is liable to attack? As an older, slightly more responsible brother
Hercules protects both Olympus and the mortal world from Olympian created monsters, Pluto, Ares, and Titans when he hears one of them causing trouble. But what about the trouble caused by his own father and stepmother? As an older, slightly more responsible brother should Hercules seek out and try to do more to help the demigod children of Zeus and other Olympians?