Captain America: Civil War
Knowing that Zemo was his father's killer, T'Challa allows Bucky to recover and heal in Wakanda, which T'Challa now leads as king. Tony returns to the abandoned Avengers base and helps Rhodes use his legs again. Steve sends a letter to Tony, telling him sorry and letting him know that he'll always be there if Tony needs him. Steve breaks into the Raft and helps his friends escape.