Dr. Walter Langkowski was a professor of both physics and biophysics at McGill University. Trying to achieve a “Hulk-like” transformation similar to colleague Bruce Banner, Langkowski subjected himself to self-experimentation with gamma radiation. Unknowingly opening a doorway between our world and the “Realm of Great Beasts”. This allowed a mystical beast named “Tanaraq” to possess his body, granting him the ability to transform into a super-strong, orange-haired beast that resembled the legendary Sasquatch.
Then he joined Alpha Flight and defeated Master Of The World, then joined The Defenders, this timeline is in other movie (Marvel Unlimited 2: The Defenders).
He Teamed up with Wolverine and fight Egghead. Then they met Professor Charles Xavier and he became member of X-men, where he met his old friend Angel, they teamed up long time ago in war with Galactus.
then he met his biggest villain named Wendigo.
he also have some fight with Caliber.
