Taking quickly to Instagram since creating his account on Sunday, Reynolds posted an adorable photo of his daughter's hand wrapped around his thumb but joked that all is not what it appears.
"Thumb wrestling isn't always fair. Curiously, my hand is the small one," he captioned the IG pic.
The "Deadpool" actor and his wife Blake Lively welcomed their first child in December.
A photo posted by Ryan Reynolds (@vancityreynolds) on May 14, 2015 at 9:47am PDT
Reynold's debuted his new social media account on Mother Day's with his Marvel character flipping over a car. "Stuck the landing. With my mouth," he wrote as he looked poised to fall head first into the ground.
The 20th Century Fox movie is currently shooting in Reynold's hometown of Vancouver, Canada.
"Deadpool" will hit theaters on Feb. 12, 2016.
A photo posted by Ryan Reynolds (@vancityreynolds) on May 11, 2015 at 11:13am PDT
