You heard it first.
The F4 will cross to the MCU in a similar deal like Spider-man and Sony but with the following conditions
>Fox is allowed to create merchandise and toys based on the x-men movies
>Fox is allowed to create TV shows based on X-men like Legion
>The F4 MUST -and this is one of the most important clauses of the contract- use the same people from the Trank movie reprising their roles
>They dont live in the MCU universe but will reach the MCU whenever they need through dimensional portals
>Galactus, the main new villain for both the MCU and the F4 will be an inter dimensional threat that operates in both the Foxverse and the MCU at the same time, and needs to be defeated in both places.
>The F4 will fight along the x-men in the Foxverse and along the Avengers in the MCU
>Doom is set to reprise his role using a mask to hide his deformed face.
>They are talking about a director cut to reintroduce the first F4 movie
>Second movie will have the help of Marvel-Disney to see how they can salvage the franchise
This will be revealed in a few months.