There is always the possibility, and a strong chance, that new supporting characters will be introduced when a program moves from its first to second season. What most people certainly wouldn't anticipate is for that character to steal the show for the most part. That's exactly what happens in The Last of Us Part II, and some fans' biggest complaints about it. As the game's sequel opens with Abby's activities, you're introduced to her and given the opportunity to play as her right away. Abby goes on to establish herself as one of the series' most crucial characters.
She may not have had the most significant impact as an active player in the first half of the game, but her influence will continue to loom over Season 2 and what will almost certainly be Season 3. In the second season, there is a lot of room to explore not only herself but also many of her WLF (Washington Liberation Front) friends.
Given that viewers would already be aware that a second season is imminent, it will be interesting to observe if this same line of reasoning continues or if it changes. The Last of Us' Season 2 will probably only cover half of the game's sequel, making a prospective roadmap more difficult to interpret than it was for Season 1. Despite this, there is still a ton of area for potential expanded concepts. Although the game covers a lot of ground, there is still much opportunity for improvement.