Question: are lady sif and the warriors three dead?
Answer: That's probably preferable to how they were treated in Ragnarok, though: The Warriors Three are unceremoniously dispatched by Hela once she reaches Asgard — Volstagg and Fandral die by her blades pretty much as soon as the Goddess of Death steps through the Bifrost, while Hogun is given a slightly more heroic end, ...