How Wolverine DESTROYED HIS UNIVERSE in Deadpool and Wolverine & Why He Joins Deadpool

How Wolverine let down his universe in Deadpool and Wolverine. The Wolverine Deadpool works with in Deadpool & Wolverine is said to have let down his earth but how? We believe we figured out how Wolverine not only let down his earth but, killed all the people he loved in the universe as well. However, it wasn't his fault and he could get his shot at redemption in Deadpool and Wolverine.