Spider-Man is a fictional superhero created by writer-editor Stan Lee and writer-artist Steve Ditko. He first appeared in the anthology comic book Amazing Fantasy #15 in the Silver Age of Comic Books.
The Joker is a fictional supervillain created by Bill Finger, Bob Kane, and Jerry Robinson who first appeared in the debut issue of the comic book Batman, published by DC Comics.
The Witchblade is a conscious, intelligent, and ancient weapon with supernatural origins. It is one of 13 mystical artifacts, of which several have been revealed: the Witchblade, the Angelus, the Darkness, the Ember Stone, the Glacier Stone, the Rapture, the Blood Sword, the Spear of Destiny, and the Wheel of Shadows.
Harley Quinn is a fictional character appearing in American comic books published by DC Comics. The character was created by Paul Dini and Bruce Timm, and first appeared in Batman: The Animated Series in September 1992.
Power Girl, also known as Kara Zor-L and Karen Starr, is a DC Comics heroine. She is the Earth-Two version of Supergirl, from Krypton, and Superman’s cousin. She also posseses all of the main Kryptonian powers including superhuman strength.