Earth-2 Wells refers to a version of the character Harrison Wells from the DC Comics multiverse, specifically from the alternate universe known as Earth-2. In this universe, Wells is a different character than the one seen in the main universe, often portrayed as a more heroic figure. He is a scientist and a mentor to the superhero Jay Garrick, who is the Flash of Earth-2. This version of Wells plays a crucial role in the storyline of the CW's The Flash series, particularly in the second season. He helps the heroes combat threats from Zoom, the main antagonist, and provides guidance and support to the team, showcasing his intelligence and resourcefulness.