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

DCEUleaks: Kelsey Grammer's version of Beast will feature in The Marvels end credits. : r/MarvelStudios_Rumours

Cryptic4KQual: Just gonna say..from what i saw back then to now, that ending is a VERY BIG last min change💀 tf?? 2 additional tickets bought for #TheMarvels : r/MarvelStudiosSpoilers

X-Men featured Kelsey Grammer's Beast will appear in Marvel Studios' The Marvels Post Credit Scene

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

Kelsey Grammer Breaks Silence On Joining MCU & Reprising His X-Men Character

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

Former X-Men Kelsey Grammer Wants to Return as Beast in the MCU - Murphy's Multiverse

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

Who's That Blue Guy in 'The Marvels' End Credits? [SPOILER] Makes Huge Cameo, Kelsey Grammer, Nicholas Hoult, X-Men

Marvel Star Kelsey Grammer Confident He'll Return as Beast in the MCU

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

Cryptic4KQual: Just gonna say..from what i saw back then to now, that ending is a VERY BIG last min change💀 tf?? 2 additional tickets bought for #TheMarvels : r/MarvelStudiosSpoilers

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