Who was the new villain, and what did they want with the fastest man alive?
That was revealed on The Flash Season 4 Episode 1 when an armored villain appeared in town intent on causing trouble for the characters.
His first big mission was to threaten to flatten the city if Barry did not return to greet him.
Cisco was forced to find a way to break Barry out of the speed force.
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Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.