Cardiac (character) - Wikipedia
Cardiac | Marvel Database | Fandom
Cardiac Powers, Enemies, History | Marvel
Elias Wirtham (Earth-616) | Marvel Database | Fandom
Cardiac (Character) - Comic Vine
Cardiac: Comics - Marvel.com
Cardiac [in Characters] @ SpiderFan.org
Cardiac (Elias Wirtham; Spider-Man foe/ally) - marvunapp.com
Cardiac | Ultimate Marvel Cinematic Universe Wikia | Fandom
Cardiac - Marvel Comic - Spider-Man - Writeups.org