An extraterrestrial compulsive gambler, A'Sai came into possession of a weapon that belonged to Galactus and accepted a wager from his friend Grunz that he could abduct the Watcher. After managing to win the bet, A'Sai bets even with the Watcher himself on a football game where was attending Spider-Man and lost the bet and as a compensation Uatu transformed A'Sai in the card of the Joker in a Las Vegas casino. Interstellar craft. Temporary access to the virtually unlimited power of the Galactus-Weapon.
