I completed the story. Does anyone know if they’re planning on adding to it? If so, I’ll keep the game on my iPad so I don’t lose any of the progress made.
Start over with a new hero
Yes. The story is being expanded upon though Season mode with a new Season releasing on the next daily reset.
New Seasons come out approximately every 9-10 weeks. If you are planning on taking a break from the game, then old Seasons should be replayable in the Archive which should release somewhere around early September.