Tony's not responding to Thor's messages, so Thor regales him with a tale of one of his many adventures during his years away from Midgard. When Tony finally starts responding, talk inevitably goes to the other Avengers. Thor discovers Tony and Steve stopped talking and is determined to get to the bottom of it.
[Here | rating (pg-13) | status (completed) | penis mention]After Tony makes it clear he's not comfortable discussing the details of his fallout with Steve over text, Thor shows up at Tony's room and learns that shortly after he left in search of the Infinity Stones, the Avengers split up.
Spoilers for Avengers: Infinity War[Here | rating (pg-13) | status (completed) | no warnings]