Evil Uno and Stu Grayson made their surprise debut as The Dark Order at AEW Double or Nothing on May 25, 2019, appearing at the conclusion of the match between Best Friends and Angélico and Jack Evans. After the match was over, the lights went out and when they came back on, Uno and Grayson were in the ring. The lights went out a second time and when they came back on, masked henchmen surrounded the ring. The Order then attacked all four men. After the attack, the lights went out again and they disappeared.