At long last, the 2026 WNBA regular season has arrived. And with the league adding two expansion teams, plus the amount of movement among players in free agency, the WNBA's landscape looks much different than it did at the end of the 2025 campaign. Many of the top teams are still seen as contenders, others have entered the conversation, and some previously competitive clubs have appeared to enter a rebuilding phase. Regardless, anything can happen on any given night, and every team is looking to start its season off strong. The good news for fans is that May has plenty of compelling matchups. Below are five must-see WNBA matchups within the league's first month. Las Vegas Aces center A'ja Wilson (22) and Phoenix Mercury forward Alyssa Thomas | Mark J. Rebilas-Imagn Images Five Must-See WNBA Games in May 1. Phoenix Mercury vs.…