Thor's marital partner in the comics is not always consistent. Sometimes it's Jane Foster, and in other cases, it could be someone else. It really depends on the creative direction of the particular comic series.
In the comics, Thor has had various romantic involvements, but one of the notable ones is with Jane Foster.
Yes, Thor has died in some comic storylines, but he often comes back in one way or another.
In the comics, Daredevil's marital status varies. But one notable character he marries is Elektra Natchios. However, the comic universe is complex, and there might be alternate story arcs with different spouses.
Deadpool marries Shiklah in the comics.
In certain comic arcs, Jughead gets married to Ethel Muggs. But it can vary depending on the specific comic run and storyline.
Archie marries Veronica Lodge in some comic storylines.
In some comic versions, Supergirl has married various characters, but it varies greatly depending on the creative direction of the writers. Sometimes it's a fellow superhero, other times it might be a civilian.
Sure does. Stormbreaker becomes an important part of Thor's arsenal in the comics. It gives him additional strength and abilities to face various threats.
Yes, Thor has kids in the comics. For instance, he has a daughter named Torunn.