Spike! What?! That is right folks! @JamesMarstersOf be at @ldnont_comiccon! Currently on the @Marvel tv series @runaways and forever loved for his @BuffyTVS and Smallville roles. @SVfans @startca pic.twitter.com/CpscEM7KjC
— London Comic Con (@ldnont_comiccon) May 3, 2018

Jamie's note: This was only announced via the London Comic Con newsletter, so I'll update when they've announced via their social media/website.
Get us up on there ;)
— London Comic Con (@ldnont_comiccon) May 3, 2018
I will tomorrow once it’s official :P I forgot we only sent it out in newsletter today -oops :)
— London Comic Con (@ldnont_comiccon) May 3, 2018
SOURCE/SOURCE/Official Website/London Comic Con FB