They have a number of juicy storylines planned for the feisty businesswoman, including a steamy fling that will send shockwaves around the cobbles when it gets out. And Alison King has warned that her alter ego will get her claws into someone on her return but maybe not for romantic reasons.
Carla was married to Peter Barlow until he had an affair with Tina McIntyre and she suffered a miscarriage due to the stress this caused.
There's one last avenue for Aidan to explore before signing on the dotted line with Matthew and selling his old shop floor crew down the river (of course the fact he betrayed ex-fiancee Eva Price which led to her swindling him out of the factory in the first place means it's all his fault anyway...), so he makes a call. Once Kate [Oates] had started as producer I met up with her and said that I would be happy to come back a bit earlier than I had originally discussed.
'Seeing him has made her realise she misses everyone and would like to see them and be with them at Christmas, ' Alison explains.
"She has been able to switch off from the family. It has been a case of "out of sight, out of mind" but now she can't stop thinking about them". Meanwhile, Alison will be returning to Weatherfield this Christmas, with her comeback storyline reported to include her character Carla Connor bedding her former partner Peter's half-brother Daniel.
She added that Carla will need "family and friends more than she ever has before" due to what she's hiding.
She will confide in Roy but viewers might have to wait for longer for all to be revealed!
ALISON King has revealed she turned down Strictly Come Dancing.
She said of reprising her role as Carla: "It was like pulling on an old sock or an old pair of stiletto boots!"