The latest updates and spoilers for "The Flash" Season 4 reveal the return of Wally West a.k.a. Kid Flash to the show. Wally left Central City in episode 3 after Jesse Quick broke up with him, and he tries to find a way to recover from his heartache. Executive Producer Andrew Kreisberg told TVLine that Kid Flash would return in episode 7 and it will air on Nov. 21.

The CW Network announced two new metahuman characters that Barry Allen and Team Flash will face in the show, and they are Brainstorm and Fallout.

What happened to Wally West?

According to Andrew Kreisberg, the reason why Kid Flash left the team because that the production crew is having problems placing two speedsters in the show, both financially and creatively.

"There are a lot of times where Barry had to get knocked out so Wally could save the day, or Wally had to get knocked out so that Barry could save the day," Kreisberg said. "And knocking them out, that costs a lot."

The producer stated that Wally is not "gone" from the "Arrowverse" and he teased that his return will reveal a lot of exciting stuff for the rest of the season. Wally is currently residing in Blue Valley to find and heal himself after he talked to Jesse on Earth 2.

Kid Flash's temporary departure from the show led to several fan speculations hinting the young speedster will join the Legends crew in "Legends of Tomorrow" season 3, or added to the cast of the live-action "Teen Titans" TV series.

Brainstorm and Fallout

Two new metahuman villains are joining the fourth season of "The Flash" as the CW Network posted the character descriptions for Dominic Lanse (Brainstorm) and Neil Borman (Fallout).

Dominic Lanse is described as a gregarious and good-hearted metahuman with mind-reading powers. However, he is hunted down by a criminal organization who wants to exploit his powers for evil purposes.

As for Neil Borman, he is a blue collar and likable guy who is trying to make ends meet. Unbeknownst to him, Neil has radiation-based powers that will harm everyone within the area, and further exposure could lead to a nuclear meltdown.

The network added that the two metahumans would likely have recurring roles in the show. While it is unknown if Brainstorm and Fallout's powers came from the dark matter energy in the Speed Force, the show's main villain, Clifford DeVoe, will be interested in studying and recruiting them for his diabolical plans against the Scarlet Speedster and his friends.
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