Chuck (Michael McKean) will unleash a monster in the upcoming season of "Better Call Saul." Will he regret betraying Jimmy (Bob Odenkirk) once the latter turns into Saul Goodman?

As per Master Herald, Jimmy's pivotal change as the tough lawyer will most certainly happen in the new installment. Because of the pain he is feeling due to his brother's shady work, Jimmy will shed his old persona to embrace his new identity as Saul Goodman. Last season, Jimmy discovered that Chuck messed with the Mesa Verde case. The latter has a record that, if released, can ruin Jimmy. Already stressed out, Jimmy is hoping Chuck will not sell him out, but he is bound to be disappointed.

Although the McGill boys are close, Chuck has always harbored some jealousy towards his sibling. It started when they were young, when their mother seemed to be always favoring Jimmy. Because of their bond, Jimmy did not want to believe, at first, that Chuck has betrayed him. The knowledge that he did will allegedly turn Jimmy's world upside down. This is the moment he starts changing into Saul Goodman.

Meanwhile, fans are sure that Giancarlo Esposito's Gus Fring will appear in the third season of the AMC series. As per spoilers, he and the other characters, including Jesse Pinkman (Aaron Paul), Marie Schrader (Betsy Brandt) and Walter White (Bryan Cranston) will be joining the cast soon. Fring was the drug kingpin in "Breaking Bad" who hired Saul to be his lawyer.

Saul did not know about his nefarious business, thinking Fring was a just a wealthy businessman who operated a successful fast food chain. By the time he discovered the truth, it was too late. It is expected that the same storyline will take place in "Better Call Saul." Saul will not be able to leave Fring's employ because his boss will be threatening to tell the authorities about his own law breaking.

"Better Call Saul" season 3 premieres in 2017 on AMC.