The significance can vary. It might be to update the story for a modern audience, to fix plot holes in the original origin story, or to introduce new elements that fit better with current trends in storytelling.
It's hard to give an exact number. Marvel has rebooted their comics several times over the years, but the count can vary depending on how you define a reboot.
Marvel's reboots of comics are numerous. They do it to introduce fresh takes on characters and storylines. Sometimes it's a soft reboot, and other times it's a more radical change. So, there's no precise count.
Well, it's tough to say exactly how many times. The reboots happen when they want to refresh storylines or introduce new takes on characters. It's happened multiple times across different franchises and story arcs.
Another important aspect could be her connection to Earth. Maybe in the reboot, her memories of Earth are more complex. There could be new revelations about her family on Earth or her past experiences here that shape her into the hero we know. This would also help to better integrate her into the larger Marvel Cinematic Universe or comic book storylines.