Before he became Master of the Mystic Arts, Doctor Strange was a brilliant neurosurgeon.

In Captain America: The First Avenger, Howard Stark equips Rogers with a circular shield made of vibranium, a rare, nearly indestructible metal.

In Thor: Ragnarok, Hela orders her younger brothers to kneel down before her. Thor defiantly hurls Mjølnir at her, but Hela, who was the hammer's first wielder, catches it in mid-air and destroys it with her bare hands.

Under the premise of building a weapon for the terrorists that have captured him, Stark constructs an iron body suit with a magnetic chest plate to keep the shrapnel from reaching his heart.

T'Challa is officially crowned King of Wakanda after his father's death. As the Wakandan monarch, he also inherits the mantle of the Black Panther.

Meredith Quill put together a mix tape titled "Awesome Mix Vol. 1" so her son could hear all the songs she used to listen to when she was growing up. After his abduction, it is one of the few mementos Peter has from Earth.

After Steve's transformation into a Super Soldier, Peggy Carter assists him in becoming the world's first superhero, falling in love with him along the way. After his disappearance in 1945, she continues the fight against HYDRA, and becomes one of the founders of S.H.I.E.L.D.

While she looks a lot like a cat, Goose is actually an extremely dangerous alien known as a Flerken. She goes with Carol Danvers and Nick Fury into space during their quest to find Mar-Vell's Laboratory. After saving Skrull refugees and protecting the Tesseract from Starforce and Kree soldiers, Goose is responsible for permanently blinding Fury's left eye with her claws.

In a flashback, Janet van Dyne (a.k.a. the Wasp) sacrifices herself to disarm a Soviet ICBM bound for the United States and is presumed dead.

Millions of years ago a meteorite made of vibranium, the strongest substance in the universe struck the continent of Africa, affecting the plant life around it, and when the time of men came five tribes settled on it and called it Wakanda.