Beau DeMayo takes aim at Marvel! The former X-Men ’97 showrunner recently trashed the studio’s animated offerings with What If…? season 3. If someone weren’t following all Marvel news like a hawk, it’d be understandable if they didn’t realize that What If…? debuted its series finale. Unlike prior outings for the MCU’s landmark animated title, season 3 of the project seemed to come and go…