Henceforth, the following well-established characters no longer need to be shown how they become who they are:

• Spider-Man
• Batman
• Superman
• Green Lantern
• Green Arrow
• The Fantastic Four
• All the X-Men
• The Lone Ranger
• The Phantom
• Captain America
• Thor
• Iron Man
• Iron Giant
• Luke Skywalker
• Anakin Skywalker
• James T. Kirk
• Spock
• Willy Wonka
• Indiana Jones
• Sherlock Holmes
• Jackie Robinson
• Babe Ruth
• Charles Foster Kane
• Bane 
  
• Harvey Dent
• Catwoman
• Pretty Woman
• Jack Ryan
• The Hulk
• Hulk Hogan
• Rocky
• Rambo
• Bambi
• Godzilla
• Scooby Doo
• Yogi Bear
• Bruce Lee
• Bruce Almighty
• Evan Almighty
• The 40 Year Old Virgin
• The Seventh Seal
• Bill
• Ted
• Steve Jobs
• JFK
• RFK
• FDR
• ALF
• Hal 9000
• The Watchmen
• The Wedding Crashers
• The Fellowship of the Ring
• The Hobbit
• Hitler
• Black Hitler
• Madea
• Big Momma
• Freddy Krueger
• Jason
• Michael Myers
• Austin Powers
• Dorothy
• The Wizard of Oz
• The inmates of Oz
• Franklin
• Bash
• James Bond
• Jaws
• Jesus
• Underdog
• Dog the Bounty Hunter
• Boba Fett
• Willy Wonka
• Sarah Palin
• Any fictional president who’s really just a veiled take on Bill Clinton
• That guy who sawed off his own arm
• The Punisher
• The Terminator
• John Connor
• Sarah Connor
• The Transformers
• Mad Max
• Maxwell Smart
• E.T.
• Nemo (the fish)
• Kung Fu Panda
• Oskar Schindler
• Helen Keller
• Mr. Magoo
• The Alien from Alien
• The Aliens from Aliens
• Ellen Ripley
• The Talented Mr. Ripley
• Jason Bourne
• Ethan Hunt
• Rain Man
• The Graduate
• The Godfather
• Robin Hood
• King Arthur
• Merlin
• Houdini
• Harry Potter
• Burt Wonderstone
• Snow White
• The Fly
• Marty McFly
• Stuart Little
• Robocop
• Axel Foley
• The Ghostbusters
• Neo
• Mulder
• Scully
• Josh Baskin
• The Rocketeer
• The family from Parenthood (the movie and both television shows)
• The Odd Couple
• Dr. Strangelove
• The Mob Doctor
• Darkman
• Donnie Darko
• William Shakespeare
• Mozart
• Beethoven (the dog)
• Richard Nixon
• Buffy the Vampire Slayer
• Blade
• Dracula
• Frankenstein
• Young Frankenstein
• Ben Stein
• Bella
• Edward
• Jacob
• Derek Zoolander
• Paul Blart
• Gumby
• Judge Dredd
• Swamp Thing
• Tomb Raider
• Sgt. Bilko
• The A-Team
• Katniss Everdeen
• Frank Abagnale, Jr.
• The guy from the The Terminal
• Anyone from G.I. Joe
• Norman Bates
• Dexter
• Ebenezer Scrooge
• Scrooge McDuck
• Howard the Duck
• Howard Hughes
• Amelia Earhart
• Supergirl
• Charlie’s Angels
• Liberace
• Mark Zuckerberg

The following characters haven’t really had their origins explored on screen yet… but that’s okay.  Embrace the mystery.  Skip the origin story for them, too:

• Han Solo
• Hugh Hefner
• Jack Bauer
• John McClane
• John McCain
• Propeller guy from Titanic
• The Fonz
• The Golden Girls
• Rapping Granny
• Captain Hook
• Grumpy Smurf
• MacGuyver
• Mary Poppins

The following is the entire list of pre-existing characters for whom it’s completely okay to retell their origin story:

• Mighty Mouse