2. The entire group not getting out together
First things first, let’s look at the positives. There is no confirmation that Magna and Connie are dead. While it doesn’t look good for them, the explosion definitely sealed the exit they were going to use and their lives are in danger.
The two are either dead, will need to search for an alternate exit, or will need to wait for the survivors to return and unearth the rubble that landed on top of the hole in the ground the rest of the group made their way through.
Daryl’s first thought to clear as much rubble as possible was admirable, but Kelly was right that the noise from the explosion will draw a lot of walkers and any Whisperers in the area to that location to finish off the survivors.
It’s hard not knowing if these two survivors are still alive because each has quite a bit of story remaining to tell. Magna doesn’t like the way she left things with Yumiko and Connie has developed some great relationships with the communities. Let’s hope they somehow pull through.