Here's why:
* The show's creators are known for their secrecy. They keep plot twists and character introductions under wraps to maintain the suspense and excitement of the series.
* The show has a large pool of potential characters. The DC universe has a vast roster of young heroes, making it difficult to narrow down who might join the team.
* The series has already introduced several new characters. Recent seasons have expanded the cast with characters like the new generation of Titans, the Legion of Super-Heroes, and others, potentially leaving room for more.
However, there are some *possible* candidates fans speculate about, based on comics and past series hints:
* Static: Static has a strong connection to the original Young Justice team and his own animated series, making him a popular choice.
* Blue Beetle (Jaime Reyes): Jaime is another hero who has been connected to Young Justice in recent comics and animated series.
* The Atom (Ray Palmer): The Atom has had a presence in the show as a mentor figure, so his potential involvement as a full member is a possibility.
* Other lesser-known heroes: The series has a history of introducing less familiar characters, so any hero who fits the team dynamic and storyline could potentially be a candidate.
Ultimately, the identity of the 7th member will likely remain a mystery until revealed by the show itself.