Hafþór Júlíus Björnsson is an Icelandic professional strongman, actor, and former professional basketball player.
He plays Ser Gregor "The Mountain" Clegane in the HBO series Game of Thrones.
Deadpool and Wolverine get lost in the multiverse on the grounds of what's left of 20th Century Fox, ultimately leading Deadpool to find his way into the Marvel Cinematic Universe.
