Re: IF Wolverine 3 happens,what should be the story of that movie?
It depends on what story they want to do and when they want to set it.
They could set It before DOFP so If new timeline Is created they wouldn't have
to deal with it In solo film.Yukio could return.Unlikely to feature any other
X-Men.Off the top of my head Omega Red Is villain that would be intresting.
Mangold has already hinted at setting it after the end of the wolverine but before the mid credit scene.
If New Timeline Is created In DOFP that may be when the story takes place.
On Twitter Mangold seem to hint at Liev as Sabretooth returning as a possibilty.
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