That may have worked for pushing Captain America: Civil War forward, but in the grand scheme of things, Marvel is going regret killing off Crossbones.
At the end of that movie, Rumlow was badly injured one of the Helicarriers crashed into the Triskelion, but he survived and returned two years later for Captain America: Civil War.
Did Captain America: Civil War make the right decision killing Crossbones or should he have stayed alive.
Warning: spoilers for Captain America: Civil War are ahead!