Well, lets take this with a considerable gain of salt, as it seems to be largely speculation and not from an entirely reliable source (although they have had their moments), but could Sony be looking to liquidate assets, specifcally their entertainment division?
Would the rights automatically revert to Marvel? Would Marvel/Disney get the first bid at the very least? Intriguing possibilities.
How would you want this to effect the sequel? Would you want Marvel to continue with this franchise, or decide to do their own thing?
I can't imagine the Second Film wouldn't be declared as "In the Pipeline" and unaffected, unless it was to lead in or change the 3rd which they might be able to as "In the Pipeline" if they show proof of an intention to do a Trilogy.
rights, I don't believe usually transfer any sooner than 3 years after negotiations begin
One Day I hope to be the Man my Cat thinks I am
Where are we going? And why are we in this Handbasket?