Real Name: Jack (not to be confused with the Spider-Man goon, Jack, or the Excalibur character, Jack, or Jack the Ripper)

Current Group Affiliation (at time of death): None

Former Group Affiliation: Cold Warriors

1st Appearance: MARVEL COMICS PRESENTS#10 (1989)

Known Superhuman Powers: None...Jack relied on his own personal fighting skills.

Other Aliases: None