Yes, this happens:
Otto wouldn't have let this shit happen.
Dont use spoiler tags unless you want people to loathe you.
F.A.Q.
Why is there an X-Men mid-credits scene? Will there be a crossover?
Marc Webb had a contractual obligation to Fox after signing a deal with them after 500 Days of Summer and in order to let Webb direct The Amazing Spider-Man 2 for Sony, Fox let it happen in exchange for a bit of free marketing for their X-Men movie. That translated into this button scene. -Source No crossover for you.
OT Link

Otto wouldn't have let this shit happen.
Dont use spoiler tags unless you want people to loathe you.
F.A.Q.
Why is there an X-Men mid-credits scene? Will there be a crossover?
Marc Webb had a contractual obligation to Fox after signing a deal with them after 500 Days of Summer and in order to let Webb direct The Amazing Spider-Man 2 for Sony, Fox let it happen in exchange for a bit of free marketing for their X-Men movie. That translated into this button scene. -Source No crossover for you.
OT Link