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Taking all options into consideration.
1. I like the idea mentioned by skybrick. It could work really on either side of the franchise as a follow up to Resurrection although unlikely or a follow up to RZH2 if they pretend the ending of RZH2 did not happen which is what killed the original series for me IMO. Too many wtf endings for their own good made Myers out to be a pussy.
2. Go with the ending of RZH2 which IMO was the only thing I really thought worked and could add something different to the series. Although breaking Halloween away from Myers did not work before and im not sure they would take a chance on it again.
3. Even though I thought Season of the Witch was a solid entry in the series. There is always the option to try something with that even though I would not want it. It's definitely an option.
4. Another reboot down the road by which time its arguable that nobody will care except for the fans of the original series wiping their hands clean of the RZ franchise and are ready for something else.