During a surprise Super Bowl ad, Marvel released the first teaser trailer for its slate of highly anticipated Disney+ series. While it featured fleeting glimpses of Falcon and the Winter Soldier and Loki, it also featured some brief but revealing footage from WandaVision that teased the Marvel Cinematic Universe introduction of two fan-favorite heroes.
Other than the fact that WandaVision will focus on the romance between the Vision and Scarlet Witch and lead into Wanda's appearance in Doctor Strange in the Multiverse of Madness, most details about the series remain a mystery. However, one persistent fan theory has suggested that the series would feature the introduction of Wanda and Vision's children, Billy Kaplan and Tommy Shepherd, who are better known as the heroes Wiccan and Speed.
This theory was given more credence last October when a casting call for the show suggested that the series would feature at least one infant. According to the rumor, the show would feature the baby growing up rapidly until it was ready to join the real MCU at the end of the show's run.
The new trailer seems to have all but confirmed this theory. Near the end of the trailer, there's is a short, blink-and-miss-it shot of the couple looking down at two cribs as two pacifiers suddenly fly into the air. While the children in the cribs are never shown, this moment strongly suggests the imminent arrival of Billy and Tommy in the MCU.
Billy and Tommy, more popularly known as Wiccan and Speed respectively, were both created by Allan Heinberg and Jim Cheung in Young Avengers. Like everyone on the first incarnations of the team, the two characters have powers based on those of the original Avengers. Wiccan has mystical powers that are similar to both Thor and Scarlet Witch, while Speed's super-speed takes after Wanda's brother, Quicksilver.
Over the course of their comic book adventures, the two heroes discover that they were effectively the reincarnated children of Vision and the Scarlet Witch.
While the trailer seems to be teasing both a pregnant Scarlet Witch and the two kids in their infancy, WandaVision seems to be rewriting this reveal so that the two characters are born and grow up, albeit rapidly, together and with their original parents.
The tease of these two heroes also effectively teases the idea of the Young Avengers in the MCU. While there haven't been any announcements about a film or series featuring that team, the group's members are starting to make their way into the MCU in earnest. Thanks to the Ant-Man movies, Cassie Land, Ant-Man's daughter, has already appeared in the MCU, only without her size-changing abilities. After the five-year time-jump in Avengers: Endgame, the teenage Cassie is around the right age to join the team of young heroes.
Another member of the team, Kate Bishop, has been confirmed to be a part of the upcoming Disney+ show Hawkeye, although that show is not yet in production. In addition, a casting call for fellow teammate and romantic interest for Wiccan, Hulkling, has been rumored to have been released. The only members missing from the original team's roster are Patriot and Iron Lad, though the role of the latter could be fulfilled by tech wiz-kid Harley Keener from Iron Man 3 who showed up to mourn Tony's death at the end of Avengers: Endgame.
The Super Bowl teaser did not provide much in the way of plot information, but it did effectively confirm that we'll see Wiccan and Speed for the first time in the MCU soon. However, it's still not clear what these brothers will be doing or how much of an impact they could have on the MCU's future.
WandaVision stars Elizabeth Olsen as Scarlet Witch, Paul Bettany as Vision, Randall Park as Agent Jimmy Woo, Kat Dennings as Darcy Lewis, Teyonah Parris as Monica Rambeau and Kathryn Hahn. The limited series will premiere on Disney+ at some point in 2020.