User blog comment:SonOfAres1/Phase Four/@comment-27020644-20161202195504

According to rumors, Whirlwind will be working with Egghead in Ant-Man and The Wasp. Do you have a back up villain for Ant-Man 3?

I also hope there is an Iron Man 4 with the Mandarin. However, currently in the MCU Fin Fang Foom is a fictional movie character. So I don't think they will make him a real being.