Great news, London! Looks like Willa will be back in May 27-29 for MCM London Comic Con as it says the announcement bellow, posted on the convention’s official website!

We’re delighted to announce that Willa Holland, who plays Thea Queen on hit CW superhero series Arrow, will be back in Blighty once again this May as a guest of MCM London Comic Con.

Willa’s character Thea is the younger sister of billionaire playboy Oliver Queen – aka the hooded vigilante Arrow himself. Trained in martial arts by her biological father Malcolm Merlyn, Thea fights at the side of her brother against terrorist organization H.I.V.E., adopting the name ‘Speedy’ as her superhero persona.

As well as appearing as Thea in over 90 episodes of Arrow and cameos in spin-off show The Flash, Willa Holland is well known for her role as Marissa Cooper’s younger sister Kaitlin on much-loved teen drama The O.C. and for guest starring as wild young model Agnes Andrews in Gossip Girl. In addition, Willa’s credits include feature films such as Genova, Tiger Eyes and the 2011 remake of Straw Dogs, and she has also voiced characters in videogamesKingdom Hearts: Birth by Sleep and Scarface: The World Is Yours.

(source)