Elizabeth Olsen – Scarlet Witch/Wanda Maximoff
Another new addition to the MCU, Elizabeth Olsen was introduced as the Scarlet Witch, also known as Wanda Maximoff. She starts out as an enemy of the Avengers in the second film but later joins Captain America in Civil War. She also appears in Avengers: Infinity War, using her hypnosis and telekinesis powers to aid the Avengers against Thanos.
Chris Pratt – Star-Lord/Peter Quill
Beginning his role as Peter Quill, AKA Star-Lord, Chris Pratt made his first appearance as the character in Guardians of the Galaxy. Having lost his mother to cancer at a young age, Quill left the hospital in tears, only to be abducted by an extraterrestrial star-ship. His story unfolds throughout the movie, exploring his various adventures as Star-Lord. His story continues in the sequel to the film, with Quill later joining the Avengers in Infinity War.