Origin
When an alien symbiote attached itself to Eddie Brock, he became...
Venom
This super villain has no true "superpowers" but is immune to various chemicals and has formidable strength from an injection by Poison Ivy.
Harley Quinn
This villain was created when a Dark Multiverse Batman killed the Joker and was poisoned by the joker toxin.
The Batman Who Laughs
These are the 4 weapons used by the TMNT.
Katana, Bo, Sai, and Nunchaku
This was the first superhero to appear in a comic book.
Superman (1938)