• "The Flash" Season 3 premieres on Oct. 4 in The CW.

"The Flash" Season 3 premieres on Oct. 4 in The CW. (Photo : Twitter/MattLetscher)

"The Flash" Season 3 is expected to be another roller-coaster ride for Barry Allen (Grant Gustin) as his actions in Season 2 proved to have huge consequences. Also, an all-out brawl between the speedsters may be the biggest highlight of this season.

The new season began with Allen living a peaceful life with his family after he altered the past where Reverse-Flash was supposed to kill his mother. Everything was going smoothly until he gradually lost his memories. Afraid to lose the memories with his friends, he agreed to release Reverse-Flash, letting him do what he did to her mother that tragic night.

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Back in the present, he was shocked when he found out that Joe and Iris' relationship was altered in the process. In fact, that will not be the only shocker that will come his way as executive producer Todd Helbing told TV Line.

"Every single character has been affected," Helbing said in the interview. He also said that those people close to Barry will start to realize that something has changed and Barry will not take the situation very well, saying, "Not well, at first... When he comes out of Flashpoint, there are a lot of things that have affected him personally."

Fortunately, someone will come to the rescue to give Barry the much-needed lift and he will be no other than Jay Garrick, who shares the same face as Henry Allen in Earth-3.

"At the end of Season 2, when we revealed who the real Jay Garrick was, it obviously had an emotional impact on Barry," Helbing said. "What that provides us [with] is a lot of opportunity to have Jay Garrick return and give Barry advice."

Meanwhile, fans over at Super Hero Hype would love to see an all-out war between the good and evil speedsters. Fans want to see The Flash team-up with Kid Flash/Wally West, Jesse Quick and John Wesley Shipp's version of The Flash. They will be pit against the team of Reverse-Flash/Eobard Thawne, The Rival, who was introduced in the third season's premiere episode, Savitar and probably Zoom.

Other fans suggest that Tom Felton will be Dr. Alchemy due to his expertise in forensics while The Rival will eventually become Savitar. Here are more spoilers and predictions on "The Flash" Season 3.