Based on the search results, all three statements are correct. 1. Both Mumbai Indians and Chennai Super Kings have won the IPL tournament five times each, confirming the first statement. 2. Chennai Super Kings have been runners-up in five editions of the tournament, specifically in the years 2008, 2012, 2013, 2015, and 2019, confirming the second statement. 3. The IPL final has been played abroad on three occasions: the entire 2009 season was held in South Africa, and the 2020 season was held in the UAE due to the COVID-19 pandemic, confirming the third statement. Therefore, all statements 1, 2, and 3 are correct.