eBay is more known for people selling their used sticks. It’s very uncommon to see unreleased sticks like this one from Razer.
Seller Lehigh Valley Comics and Collectibles listed a Razer Panthera arcade stick featuring Marvel vs. Capcom: Infinite branding. The box features some of the characters from the game unique to the normal version of the Panthera as well as the Marvel Gamerverse imprint. The stick’s front panel art is reminiscent of a promotional poster from the first Marvel vs. Capcom likely done by Long Vo, known for the Street Fighter V edition of the Panthera.