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2026’s first big whack of cosplay, meet and greets, comic culture and general fandom. The Olympia London plays host to a packed weekend of stuff catering to fans of iconic telly, video games and film. Appearances already announced include Ncuti Gatwa, Millie Gibson, Craig Charles and Brian Blessed. And of course, there'll be tons of opportunities to pick up limited edition merch, meet other fans, and see some of the most ambitious cosplay this city has to offer.