Update: 12:00 These have been confirmed to be inaccurate.
During the raid, Rick gets his gun bag (Which Andrea had at the end of the second season!). Oscar dies helping the group escape Woodbury, during the raid, the Gate at Woodbury is overrun, and there are casualties, although they eventually regain control of the front with assistance from Andrea. While on the road back from their rescue attempt, Rick and the group meet Tyreese, same way and setup as the comic... Merle/Daryl confrontation is teased but not shown... The Governor plots his revenge and strike on the prison, seeing Rick's group as the ultimate threat to the society he is trying to build... back, including his walkie talkie
Morgan is back in ep 12 (I think), he has lost his grip, and his return is wild, only to be bit and put down by Rick, Andrea will stab The Governor in the eye with either a fork or knife,(a piece of silverware off table)Tyreese gets his gym scene, and there is nobody else shown when Tyreese appears, but his appearance is the cliffhanger/last scene for the finale, so he could have others with him...They're basically going to kill off Morgan so Tyreese can stand out
Cris and Julie do not appear in the mid-season finale.
Source: Spoil the Dead
Morgan is back in ep 12 (I think), he has lost his grip, and his return is wild, only to be bit and put down by Rick, Andrea will stab The Governor in the eye with either a fork or knife,(a piece of silverware off table)Tyreese gets his gym scene, and there is nobody else shown when Tyreese appears, but his appearance is the cliffhanger/last scene for the finale, so he could have others with him...They're basically going to kill off Morgan so Tyreese can stand out
Cris and Julie do not appear in the mid-season finale.
Source: Spoil the Dead
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