After everything happened, after the fight with the MUTOs, Ghidorah, and the fight, but also new friendship with Kong and beating Mechagodzilla, nothing could go back to the way were.
Godzilla, is still our savior, and he will continue to fight for us, but one day, he meets a certain hybrid woman named D Creed, who was abandoned as a child by her family and left to fend for herself. But D is no ordinary hybrid, she has powers and one of those powers is to turn into a dragon wolf kaiju.
D Creed also works at Monarch where she studies and researches about Godzilla, till she actually met him face to face for the first time, even though she's been caught in the fights he's had many times, but never noticed her.
In this story, Emma Russel will be alive, because D saved her from Ghidorah, who's not dead, more like was given a second chance, while the others not so much.