The heroes are set to cause a stir in Stepney Square from 12-3pm alongside three Batmobile replicas in a free event organised by Ymlaen Llanelli.
Popular Marvel and DC characters attending include:
After a procession down Stepney Street at 12pm, there’ll be a chance grab a selfie with the heroes and admire the legendary Batmobiles, each inspired by the 1966, 1989 and 2008 Batman films.
There’ll be also superhero tattoos in Llanelli Indoor Market from 9:45am, as well as face painting, superhero crafts and a children’s ride in Stepney Square from 12pm, all for free.
Lesley Richards, chair of Ymlaen Llanelli, is looking forward to the half-term fun: “We’re incredibly excited to be hosting our biggest and best superhero day yet – it's always a smash-hit with the children and we can’t wait to see their reactions this time!”