A great oil finishing with a strong black pepper taste is fairly achievable if you know where to look.
Zingerman's Mail Order does a phenomenal job of sourcing olive oils like this but also of specifically calling out the tasting notes and the differences in their options.
Two that they have that specifically hit this spiciness you're looking for:
Zingerman's product selection is great, but their customer service is truly next level. I send folks gifts via Zingerman's frequently, and Zingerman's sends me random unsolicited gifts in return. I don't know how I couldn't continue to patronize them.