Hardy returned to TNA on January 4, 2010. On March 8, he saved Hulk Hogan and D'Angelo Dinero. He returned when he defeated the TNA World Heavyweight Champion AJ Styles in a non-title match. On April 4th, he was revealed as part of Hulk Hogan's team for Lockdown. At the event Team Hogan (Hardy, Abyss, Jeff Jarrett and Rob Van Dam) defeated Team Flair (Sting, Desmond Wolfe, Robert Roode and James Storm). On October 10, 2010, Hardy won the vacant TNA World Heavyweight Championship at Bound For Glory and became part of Hogan and Eric Bischoff's stable Immortal. This started Hardy's first long run as a heel. He held the title for 91 days, losing it to Mr. Anderson on January 9, 2011, before winning it back in a ladder match at Against All Odds on February 13, 2011. On February 24, he lost the title to Sting.