Speaking to Inside Soap, the actor revealed that viewers will be "shocked" by the identity of Ryan's new girlfriend, which will play out in the coming weeks.
"Ryan's new love interest is a cougar! It'll come as quite a shock, but I can't tell you who it is," Heras teased.
The star added that he would have chosen his character's love interest to be Rovers Return landlady Stella Price, played by Michelle Collins.
"I'd like it to be Stella - Michelle Collins is a lovely woman," he added.
Ryan, who has boasted about his sexual exploits since his return, recently tried to kiss old friend Sophie Webster (Brooke Vincent). Get the Inside Soap magazine on your iPhone or iPad