Real Name: Jonathan Hart

Current Group Affiliation: None

Former Group Affiliation: SHIELD, Avengers

1st Appearance: DEADLY HANDS OF KUNG-FU#22 (1976)

Issue Joined: AVENGERS(v.3)#43

Status: Fifty-fourth recruit, former member due to "death" in AVENGERS(v.3)#500 (2004)

Known Superhuman Powers: Jack of Hearts's body generates "zero energy" that he can project as energy blasts (projecting downward enables flight). He can also absorb radiation.

Other Aliases: None

Issues featuring Jack of Hearts:

VOL.3: #43-46; #48; #50; #52-59; #61-62; #65-70; #73; #75-76; #500

(as non-member ally):VOL.3: #35-38