Munster hadn't trained with the team this week as he battled illness coming off State of Origin, but ran freely at Marvel Stadium ahead of the Friday night clash.
"He seems to be running OK," Storm coach Craig Bellamy said. "He looks like he's lost a bit of weight so he might be a bit quicker."
While Munster is good to go against the ladder leaders, second-rower Eliesa Katoa isn't expected back for up to another month after his eye injury required surgery.
"It ended up being worse (than first thought) and he had an operation about 10 days after the incident, so he'll be another three or four weeks at best," Bellamy said.
"He's not bedridden but he's not allowed to move too much."
In a welcome sight, fullback Ryan Papenhuyzen - who hasn't played this season after shattering his right knee-cap almost a year ago - went through some running drills on the sidelines.
The game is the first time any of the current crop of players will turn out at AFL venue, with the last Melbourne match there coming against the Warriors back in 2010.
Bellamy said the oval ground provided some challenges, particularly in attack.
"It's just getting your bearings - more so for the kickers," he said.
"You're a long way away from the crowds, so where the lines are can be a bit hard to know.
"We haven't had much time to practise here today but at least they've got out on the ground."
The Panthers will again be without injured star halfback Nathan Cleary but Bellamy felt his replacement Jack Cogger had impressed in the role.
"Nathan's one of the elite players in the game and to have him out is a blow but Jack Cogger looks right at home.
"He's fitted in there really well."
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