Marvel actor Jeremy Renner is undergoing electric stimulation therapy on his leg as he continues to recover from the snow plough accident that almost killed him.

In an update on his health for fans posted on social media, the `Hawkeye` star, 52, whose chest and legs were pulverised by his 14,000-lb Pistenbully Snowcat as he tried to stop it hurtling onto his nephew on New Year`s Day, showed the physiotherapy technique on Saturday, February 18, reports aceshowbiz.com.