When fans tune in to Season 2 of Gotham this fall on Fox, there will be a few new players in this crime-riddled city. Last month, new trailers gave us our first look at Tabitha Galivan, a.k.a. Tigress (Jessica Lucas) and her brother Theo Galivan (James Frain). Today we have new posters and photos, courtesy of The Hollywood Reporter, which showcase these new characters once again, along with the rest of the Gotham cast.

Tabitha is the lead enforcer for her brother, billionaire industrialist Theo Galavan, who is hell-bent on taking over Gotham. He is described as sexy, heroic and lovingly devoted to his sister Tabitha, who is described as sexy, very violent. Theo is harboring a centuries old vendetta, with the duo said to be the main heavies in this new run of episodes. Both Theo and Tabitha are set to take chaos and violence to shocking new levels, bringing the city to its knees. Their plan is said to create new villains for the future Batman, and it will also bring the destruction of others.

Both Tabitha and Theo are featured in their own character photos, but also in new posters along with the rest of the cast. Ben McKenzie (James Gordon), Donal Logue (Harvey Bullock), Robin Taylor (Penguin), David Mazouz (Bruce Wayne), Erin Richards (Barbara Kean), Camren Bicondova (Catwoman), Sean Pertwee (Alfred), Cory Michael Smith (Riddler) and Morena Baccarin (Dr. Leslie Thompkins) are also featured on this poster, which includes the tagline Rise of the Villains. Hopefully we'll find out about more villains joining the show before Season 2 kicks off.

Another new addition to the cast include Natalie Alyn Lind as Silver St. Cloud, who will be a potential new love interest for young Bruce Wayne (David Mazouz). Michael Chiklis signed on last month to play Captain Nathanial Barnes, who becomes a new mentor and ally to Jim Gordon (Ben McKenzie). Season 1 stars Morena Baccarin (Dr. Leslie Thompkins), Nicholas D'Agosto (Harvey Dent) and Chris Chalk have also been promoted to series regulars in Season 2.

Gotham returns with its Season 2 premiere on Monday, September 21 at 8 PM ET on Fox. It's worth noting that, later in the season, the series will be competing with another superhero show based on a DC comic book, CBS' Supergirl. That show debuts Monday, October 26 at 8:30 PM ET, before moving to its regular 8 PM time slot on Monday, November 2. Who do you think will win in the battle of these superhero shows?