DanielRPK:Beast from the Fox X-Men, played by Kelsey Grammer, will appear in The Marvel's post credit scene, and supposedly will be the merging of the MCU with the Fox universe for Deadpool

He's too old to be the MCU's Beast: Industry Insider Fuels Major Speculation of Kelsey Grammer's Return in X-Men Reboot - FandomWire

Kelsey Grammer on Making His Surprise Marvel Return as Beast in 'The Marvels' (Exclusive)

Kelsey Grammer says he'd love to play Beast in the MCU X-Men movie

The Marvels X-men Kelsey Grammer Beast and Binary Post Credit Scene Ex

Kelsey Grammer Returns as Beast in 'The Marvels' Post-Credit Scene - Knight Edge Media

With the X-Men gradually coming into the MCU, I really hope that Kelsey Grammer will reprise his role as Beast. Grammer really nailed Hank's intelligent & sophisticated nature. : r/marvelstudios

Kelsey Grammer Threatened Disney To Bring Him Back as Beast in the MCU 2 Months After Hugh Jackman's Deadpool 3 Announcement - FandomWire

Kelsey Grammer Threatened Disney To Bring Him Back as Beast in the MCU 2 Months After Hugh Jackman's Deadpool 3 Announcement - FandomWire

Kelsey Grammer is confident that we'll see Beast in…

Frasier Star Kelsey Grammer Threatens Marvel to Recast Him as Beast in X-Men MCU Project

Kelsey Grammer on Making His Surprise Marvel Return as Beast in 'The Marvels' (Exclusive)

X-Men Actor Kelsey Grammer Talks About Beast's MCU Return