The Avengers: Earth's Mightiest Heroes/Characters/Supporting Cast

Virginia "Pepper" Potts
Tony Stark's secretary and close friend. True to form, she worries about Tony's safety when he battles super-villains as Iron Man. After the forming of the Avengers, she assists the team as well. Eventually, she develops concern about Tony caring more about super-heroism than the status of Stark Industries.

"Voiced By: Dawn Olivieri"

"Pepper: I expect this to be reflected in my bonus.
 * Badass Damsel:

Tony: Done."


 * Chuck Cunningham Syndrome: After "Gamma World", she does not make any appearances for the remainder of the first season.
 * Green Eyes
 * Girl Friday
 * Heroes Want Redheads
 * Sexy Secretary

JARVIS
Tony Stark's personal AI, which assists him in controlling the armor. JARVIS is also hooked into the Avengers mansion, assisting the team with whatever they need.

"Voiced By: Phil LaMarr"


 * AI Is a Crapshoot: Subverted, even when Ultron takes over the mansion JARVIS still tries to help but is left powerless.
 * Canon Immigrant: He's based off of the AI JARVIS from the films, rather than the human butler from the comics. The producers have said that it'd still be possible to use the original, though, during one of Marvel's live blogs.
 * Expy: Of both the original Edwin Jarvis, and the AI HOMER, from the original Iron Man animated series.
 * The Jeeves: He becomes one once he's set up to help run the mansion.
 * Servile Snarker: Manages to follow in his comic counterpart's footsteps, despite not being an actual butler. Or a human-being.
 * Smart House: And Thor finds it disturbing.

Jane Foster
"Thor: You intrigue me. Mortal lives, they are so fragile, yet you do not seem to accept that.

Jane: Would you?

Thor: Nay."

An EMT, Jane Foster is one of the brave few willing to take crises involving the numerous super-villains crawling out of the woodwork. She's attracted the attention of Thor, whose taken with her bravery in the face of such extraordinary events.

"Voiced By: Kari Wahlgren"


 * Betty and Veronica: The Betty to Amora the Enchantress' Veronica (and the two share the same voice actress even!)
 * Brainy Brunette
 * Combat Medic
 * Hospital Hottie
 * Unresolved Sexual Tension: with Thor, at least in season 1.
 * Women Are Wiser: For Thor, helping him to understand his responsibility to Asgard in very human terms.

Odin
Ruler of Asgard. He initially objects to Thor, his son, leaving Asgard to fight evil on Midgard. Odin also fathered Loki, who eventually turned against him for lying about his past.

"Voiced By: Clancy Brown"


 * Badass Beard
 * Papa Wolf: Threatened Beta Ray Bill that he would kill him if he'd harmed Thor.
 * Reasonable Authority Figure

Henry Peter Gyrich
The government liaison for SWORD. He was sent to Damocles base to investigate SWORD.

"Voiced by: Jim Ward"


 * Dirty Coward: Tells Cap that he's authorizing him to sacrifice any of the Skrull prisoners if need be to save him.
 * Obstructive Bureaucrat: He wouldn't be Gyrich if he wasn't.

Cassie Lang
The young daughter of Scott Lang, the second Ant-Man.

"Voiced by: (uncredited)"


 * Deliberately Cute Child
 * Distressed Damsel: Crossfire holds Cassie hostage in order to get Scott to turn in his share of the money he stole (which Scott already gave to Cassie's doctor).
 * Ill Girl: No longer the case when she is introduced, but her falling victim to a Soap Opera Disease caused Scott to turn to a life of crime.
 * Wasn't That Fun?: After being shrunk and returned to normal size she asks "Dad, can we do that again?"
 * Wasn't That Fun?: After being shrunk and returned to normal size she asks "Dad, can we do that again?"

J. Jonah Jameson
The publisher of the Daily Bugle.

"Voiced by: J.K. Simmons"


 * Alliterative Name
 * Da Editor
 * Motor Mouth
 * Troll:

Betty Brant
A reporter for the Daily Bugle.

"Voiced by: Grey De Lisle"


 * Alliterative Name
 * Hot Scoop