showrunner Eric Wallace tells EW.
“That’s the second biggest storyline in ‘Armageddon’: the personal Armageddon of marriage.
In fact, Despero has a very specific bone to pick with Central City’s speedy hero.

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Just look at the place of prominence she occupies on the team-up focused poster for the saga.
“There’s a reason why Iris is on that poster,” says Wallace.
Barry can’t stop ‘Armageddon’ without his rock and lightning rod, Iris.

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The producer was very impressed by Gustin and Patton’s performances across the five episodes.
“There’s some pretty meaty scenes going on here.
Danielle Nicolet, who plays Cecile Horton, also gets a moment to shine in “Armageddon.”

Danielle Nicolet as Cecile, Grant Gustin as Barry Allen, and Danielle Panabaker as Caitlin Snow on ‘The Flash’.Katie Yu/The CW
Tom Cavanagh and Neal McDonough will appear as frequent Arrowverse baddies Reverse Flash and Damien Darhk, respectively.
The Flashairs Tuesdays at 8 p.m. on the CW.