We'll have to do it again soon mwah-hah-hah-hah #austinpowers," Myers captioned an Instagram post showing the actors in character.
The commercial, which satirizes mobile phone pricing, quickly gained traction online, accumulating over 200,000 likes across social media within days.
"My heart is so full," one fan wrote. Another commented, "Wonderful, nostalgic."
A third added, "My god, I've missed this."
The reunion fueled speculation about the long-dormant comedy series. During a FIFA World Cup digital livestream hosted by comedian Trevor Noah, Myers confirmed the sequel.
"Are we ever going to see an Austin Powers 4?" Noah asked.
"Yes," Myers responded immediately, catching Noah by surprise.
Noah later noted a viewer suggestion that Myers' 14-year-old son, Spike, could play the next generation of the spy character.
Spike acknowledged online comparisons, saying, "Yeah, mini Austin. I saw someone on Reddit...
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it was like 'Yeah, it seems Mike has his own mini-me now.' I laughed, it was funny."
