With great power, comes great responsibility. And a big-budget origin story.

It's practically Hollywood Law that, if you're a comic book hero or team of heroes, your first movie is all about how you came to put on your mask, pick up your hammer, or first pop your claws. Especially if you fight for Marvel.

Their latest hero to get the "Year One" treatment is Scott Lang (Paul Rudd) in "Ant-Man," which centers on the thief-turned-future Avenger as he dons the Ant-Man suit, shrinks in size, and commands insects. Because reasons.

With "Ant-Man" hitting theaters this weekend, we decided to rank the best and worst origin stories based on Marvel characters.marvel's best origin stories ranked