I am on the Xbox and here are three screenshots posted on IMGUR showing my Return to Theater mission and nothing happens.
When I started the game at launch I went to the Theater then I joined my friends who were way pass any mission I was on. I was level 2 to 4 and they were in the 20's. When I came back to the game when we were all done playing I started roaming D.C. and eventually leveled up to 30 and started to notice I had no more missions to do after all the collectibles and Control Points had been completed.
IMGUR - https://imgur.com/a/1pSNKot
Hey Ubi-Raziel We did Complete the mission but I’m not sure if they were story or if they were a difficulty setting.
I have gone through all the missions I have on my map choosing Story for the difficulty. I went back to the Theater and to the Settlement Progress table and noticed that Phase 1-3 Project Checklist are not checked but Phase 4 projects are checked.
The Campus was not Highlighted on my map but I was able to discover just by walking to it. I still have Return to The Theater and Go to Campis for my Mission Progressions.
UPDATE: I have discovered that if I join someone who has NOT discovered The Theater and The Campus it removes it from my mission list once I leave the group and go on my own.