Fans of Harry Potter-esque, Greco-Roman-themed young adult adventures rejoice – the Percy Jackson and the Olympians series is coming to Disney+. The announcement was made by the series’ author Rick Riordan on his official Twitter page. Considering this didn’t coincide with an official announcement from Disney+ and details about who will be spearheading (or starring in) the adaptation, we should consider this to be in very early stages of development. But still: it’s coming (from Mount Olympus). The first book in the series, The Lightning Thief, was released back in 2005. (In the announcement Riordan suggests …