A frail Steve Rogers takes an experimental serum and becomes Captain America, a World War II hero and leader of the Avengers. As the name suggests, he’s pretty patriotic, garbing himself head to toe in the stars and stripes. Most recently, Cap has been played by actor Chris Evans.

When Peter Parker gets bit by a radioactive spider on a school field trip (don’t you hate when that happens?), he develops super strength, the ability to cling to any surface, and a spidey sense. At that point, he has no choice but to build web shooters for his wrists and call himself Spider-Man.

In the Avengers, Nick Fury (Samuel L. Jackson) is the director of S.H.I.E.L.D. He’s the one responsible for recruiting Captain America, Thor, Iron Man, and The Hulk to join forces to take on Loki. No biggie.

In the Avengers, Clint Barton is Hawkeye (Jeremy Renner), a master archer and an agent of S.H.I.E.L.D. Unlike teammates Captain America and The Hulk, he has absolutely no superpowers. But on the bright side, he’s been in a relationship with Black Widow.

In the Netflix original series Daredevil, Elektra Natchios (Elodie Yung) drops in on Daredevil, with whom she clearly has a history. A highly trained assassin, she wields a pair of sais as her trademark weapon.

Sonic the Hedgehog is the fastest hero in the world, famous for his supersonic speed, iconic blue spikes and red shoes. With a super cool attitude and easy-going demeanor, Sonic has a love for freedom and adventure. Spinning head-on into trouble to defeat the evil forces of Dr. Eggman, for Sonic saving the world is the name of the game.