there are even more from Marvel Comics that haven't yet appeared; the Red Hulk's debut could open the doors for these Hulks to debut. The MCU already has She-Hulk, and Red Hulk will make his first ...

After the Abomination killed Betty, her father put her in cryogenic sleep and then eventually convinced AIM to resurrect her and once again transform her, this time into the Red She-Hulk.