It’s certainly a possibility, although some skeptics believe that Marvel might opt for a full-scale reboot due to the inconsistent timeline of the franchise potentially tainting its carefully crafted universe.
After X-Men: Dark Phoenix premieres, there’s a question of what will happen to the rest of the Marvel franchise.
There’s been curiosity as to whether Marvel Studios will incorporate the existing cast into the MCU, and some or all of the heroes will make an appearance in Phase Four.