Real-world Disney acquires marvel as a whole in 2009
In endgame Prof. Hulk states that the present can not be effected by alterations in the past... however endgame takes place not in the present of our universe but instead it takes place in the future in the year 2022 well Infinity war takes place in 2017 as that is when thor Ragnarok took place or it could take place in 2023 if you take endgame being released in 2018 as the date thor Ragnarok ends. however, the Thano's that was killed at the end of the film was from 2014, cap then goes back in time to when to 1942 to 1944 and hooks up with Peggy Carter given it was future events mucking around in the past and not the present there could in fact be some reproduction to that.
Meanwhile back in the X-men universe wolverine went back in time to alter the future thus creating the first-class universe which is what old man logan takes place in, then in Deadpool which is connected to the First class universe via an easter egg/cameo appearance in Deadpool 2 which has Cable going back in time twice to save his wife and daughter, then again to save Deadpool who then at the end of the film steals and recharges said time travel device and proceeds to royally screw with the timeline like he paid the timeline for a night.
Back in the MCU Peter Parker is outed as spiderman at the end of far from home...by J. Jonah Jameson, who is portrayed by the very actor who played said roll in the original spiderman trilogy connecting it with sonyvers.
The original Spider-verse takes place in 2014
meanwhile In the sony pictures film into the spiderverse has a device the kingpin created tearing open the boundaries separating the dimensions of Marvelverse as a whole which likely badly damaged them. the ending via the spiderman 2099 making a dimensional teleporter device that could have farther repercussions to the boundary.
Disney buys 21st-century fox in the real world with negotiations starting in 2017. deadpool 2 takes place in 2018 however the deal for fox is finalised in march of 2019.
In the marvel 616 universe states that incursion events are happening all around the marvel multiverse starting in 2012.
This is why i feel We are going to be getting a cinematic incursion event.