The 15 biggest questions we have after 'The Walking Dead' mid-season finale

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Warning: There are spoilers ahead for "The Walking Dead."

"The Walking Dead" season seven mid-season finale wrapped up pretty nicely. Rick is done groveling at Negan's feet and is ready to fight back alongside Maggie, Michonne, and the men he has left at his side.

While we know the episodes ahead will focus on gathering together the remaining communities and convincing them to join in the collective attack against the Sanctuary, there are still a lot of questions that have been left unanswered. 

Keep reading to see what questions we still have after episode eight of the season.

Who's the mystery person in the boots?

We saw someone watching Rick and Aaron after leaving the boat in the woods. After the episode, there was a brief end-credits scene which showed that the person followed them back to Alexandria to scope out the place. Is this the person who owned the boathouse or is it someone else?

There are a few guesses going around. Some believe it's Dwight or one of the Oceanside women going to check out Rick's encampment. Others are hoping it's our first look at another group of mysterious survivors from the comics called the Whisperers, but it seems a little too early to introduce them yet.

Another theory is that we may see someone from a long time ago like Morales who departed from Rick's group all the way back in season one. That seems like a bit of a long shot though. I'm willing to bet it's someone new who we haven't seen yet, which would give the show a fresh story free from the comics.

Will Eugene make bullets for the Saviors at the Sanctuary or will he head back to the location where he was making them with Rosita?

One way or another, he's clearly going to be making ammo.

Why did Aaron and Rick bring home the offensive stranger's note they found in the boathouse?

The note had a giant middle finger on it telling the recipient that even though they thought they won, they lost. Didn't they imagine the Saviors would find it? Was Aaron planning to hang it on his wall as a keepsake?

I'm guessing the most logical answer is that Aaron and Rick didn't expect to see the Saviors at Alexandria right away upon their return. Unless the two were planning to ask around to see if anyone recognized the handwriting (doubtful), it seemed a bit silly that Aaron was beaten up over a sign that shouldn't have been brought back to Alexandria in the first place.