ByBrian Medina, writer at Creators.co
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Spoiler Alert: Please stop reading if you do not want to read any potential spoilers concerning The Flash!

The CW has released a trailer for the final four episodes of The Flash's first season. The trailer teases the inevitable showdown between Barry Allen (Grant Gustin) and Harrison Wells (Tom Cavanagh).

Unholy Alliances

The CW
The CW

In the upcoming episode titled, "Rogue Air," Barry will seek out the aid of Captain Cold (Wenworth Miller). Barry most likely realizes that their only shot at destabilizing Wells is through the use of the cold gun. Cold seems to be on board with the plan, but he has other plans as well.

The CW
The CW

Cold will take opportunity of the situation and allow the metahumans in the pipeline to escape. The Weather Wizard (Liam McIntyre), The Mist (Anthony Carrigan), Prism (Paul Anthony), Peek-a-Boo (Britne Oldford), and the mysterious Arrow metahuman Deathbolt (Doug Jones) will be off again in the streets. Cold will most likely convince the newly freed metahumans to join him, seeing as he is responsible for the freedom. The newly freed metahuman may in fact be the very first incarnation of The Rogues on The Flash.

Enter The Justice League, or Justice Society, or Legends

The CW
The CW

Luckily for The Flash, he has allies in high places . . . like Firestorm (Robbie Amell), since he soars through the skies, and then there's The Arrow (Stephen Amell), probably going by his Ra's al Ghul given name, Al Sah-him.

Due to Oliver's training with The League of Assassins, it is possible that Oliver may not want to capture Wells, he may be looking to kill the villainous speedster. This will obviously cause tension between the future Ra's al Ghul, and Barry.

Grodd Lives

The CW
The CW

Grodd may have meddled in the background for a while, but not for long. Wells will let Grodd loose on the citizens of Central City, to distract them from meddling in his plans. While Grodd may have had a couple of scenes demonstrating his powers, and strength, he has had no one stand up to him.

It will be very interesting to see how the producers will choreograph the showdown between the Grodd and The Flash. It's not every day the hero of any show faces off against a gorilla. Who will win?

To be, or not to be...a Hero

The CW
The CW

It is no secret that at some point, Barry will go back in time to stop The Reverse Flash from killing his younger self. But given the chance to actually stop his mother's murder, would Barry actually prevent it?

Wells isn't too fond of the idea. Being a time traveler himself, Wells says, "How many more people could die if your mother lives?" Of course, Wells doesn't necessarily care about other people, what concerns him is the repercussions that it could have on the future that he is familiar with.

In the comics, Barry successfully prevented his mother's murder, but saving her life had major repercussions for the universe. Bruce Wayne was murdered instead of his parents, resulting in Thomas Wayne becoming Batman, and Martha Wayne becoming The Joker. Superman never became the hero that he was meant to be, and Justice League members, Wonder Woman, and Aquaman were in the middle of war that resulted in the death of millions of lives. If Barry chooses to save his mother in the final moments of the season finale, viewers can expect a dramatic change for The Flash's second season. What will Barry do?

Do you think Oliver will kill The Reverse Flash? Will Barry save his mother? Let us know in the comments below!

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