Every hero needs a villain
Mr. Mxysptlk
Superman
Hunter Zolomon
Wally West. the Flash
This is what allows Barry Allen to be the fastest man alive
Speed Force
The Vulture
Spider-Man
Victor Von Doom
Reed Richards
This is what causes Scott Summers to shoot beams of force from his eyes
The X Gene
Bullseye
Daredevil
Harvey Dent
Bruce Wayne
This is what causes Bruce Banner's angry transformation
Gamma Radiation
Trigon
Raven. ( Teen Titans)
Cletus Kassidy
Eddie Brock
This is what gave Kamala Khan her abilities
Terigen Mists
Maxwell Lord
Blue Beetle
David Charles Haller
Charles Xavier
This is what gave the residents of Dakota super powers
Q juice