Speed Force
Alexa Rivera / Fuerza (portrayed by Sara Garcia) is a social aid health worker who is working hard to overcome a dark past as she helps the underprivileged in Central City. But when Alexa uncovers a mysterious connection to the all-powerful Strength Force, she becomes Team Flash’s most dangerous threat yet. After being apparently killed by the Speed Force, Flash and Nora were able to revive her. With the same device that Caitlin used to talk to Frost when they shared the same body. Alexa speaks to Fuerza who helps Flash subdue Psych and persuade him to come to S.T.A.R. Labs with him. With Deon by her side, the Speed Force later zaps Alexa, Iris, and Psych. She, Deon, and Psych later helped Flash to snap the Speed Force back to her senses. Afterwards, Alexa moves in with the Speed Force.