He has all the information, he's just adapting to it in combat by gaining experience using it at an extremely fast rate due to the Mind Gem.
yes
The Synopsis of the Fanfic literally said he'd be a Superhero. Idk what else you expected.
With all these things presented to him, Vision had his own thought, he might be a hero in the future, using his power for the greater good to save lives and protect life.
Anime & Comics · StrikerAuthor
In Justice League animated show, Themyscira eventually accepted some male members of the Justice League on the island after an incident, so this takes place after that
If they somehow break out, they can find a way to unseal. By completely annihilating their powers, makes them useless even if they escape.
That will happen. He will Kill those who deserve to die without mercy
Read the Novel more, Batman is not involved in this plot-line at all and Superman's role is rather small.
Nope, he'll be killing later in the story!
There, check Auxiliary Chapters!
He kills, very much in later chapters.
DC: Harbinger Of Death
Anime & Comics · StrikerAuthor