"It's good to get that phone call, especially after not being able to play in that game," he said.
"I was named captain and it would've been a big honour, but I just couldn't play. It was hard not to play, but I guess it also benefited me because I could've played worse with the injury."
An international debut would complete a stunning rise for Fisher-Harris, who has played 20 of a possible 22 games for the Panthers after making his first NRL appearance in round one.
Also a member of the club's premiership-winning under-20s team last year, his strong performances were enough for Penrith boss Phil Gould to hand the Rawene product a two-year contract extension in June.
In the six games since coming back from thumb surgery, he has averaged better than 70 minutes a game.
"It was overwhelming at first, but I'm a bit more comfortable now playing week in, week out."