Earth-TRN173 is a universe without heroes, and is full of monsters. It also exists in medieval times. Iron Man was sent there by the Dark Surfer, and he helps Jack Russel (Werewolf by Night), Jack's friend Ellen, and the Man-Thing defeat Dracula. Man-Thing, Jack and Ellen (now a vampire) become the Supernatural Hero Squad.
- As Jack is telling Iron Man about the universe, a slideshow of monsters is seen. The monsters include Simon Garth, Monstrom, Groot, and Frankenstein's monster.
- Characters from Earth-TRN173
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- Earth-TRN173's Appearances
- Earth-TRN173's Minor Appearances
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- Reality Gallery: Earth-TRN173