EastEnders spoilers follow.
EastEnders is lining up a shock collapse for Mitch's brother Avery shortly after he arrives in Walford.
As we've already revealed, Mitch (Roger Griffiths) will get a huge shock in next week's episodes when his estranged older brother Avery turns up unexpectedly.
Omar Lye-Fook has been cast in the role of Avery, who will eventually be joined by his sons Felix and Finlay later in the week.
After coming face to face for the first time in years, things are tense between Mitch and Avery in the days that follow.
While Avery manages to impress the Taylor family with his charm, Mitch is not so easily won over and refuses to give his sibling the time of day.
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Mitch eventually ends up snapping at Avery, accusing him of not being there when he needed him.
Later, Avery offers Mitch a heartfelt apology and asks him to help with a job. Mitch isn't sure about this, but Karen encourages him to give Avery a chance.
Although Mitch remains convinced that his brother has an ulterior motive, he eventually agrees and Avery arrives with a van of white goods.
He assures Mitch that it's all legit, but afterwards, Mitch realises that Avery lied to him and it was a dodgy job like he suspected.
Furious, Mitch warns Avery to stay away from his family. Avery tries to make amends with Mitch but suddenly collapses.
Avery is then rushed to hospital, where the Taylors await news.
Mitch decides to contact Avery's sons Finlay and Felix, who soon arrive in Walford as well.
As they reunite with Mitch, the Taylor family are shocked when Felix and Finlay share a revelation. What is going on with Avery?
Speaking about joining the show as Avery, Omar said: "I told my kids. The first thing I said is 'guys, you are now talking to Avery Baker!' and they just jumped up and down for me and gave me big hugs. It was quite a thing trying to hold down that I'm in the show, and not telling anybody was something.
"It is such a big deal as well cause I've watched this show since I was about 15 or so. So I've seen the characters build and develop. It's such a great part as well, such a fantastic part that I am really grateful for."
Discussing Avery's fractured relationship with Mitch, Omar added: "I think he is a bit darker than Mitch, and that's one of the reasons he hasn't been around. He definitely wants to repair old wounds, that's what he's there for. In their first scene when he arrives on the Square, he makes a big impact with some of the traders that all builds up to the reunion with his brother.
"He wants to get Mitch's attention, not in a way that will cause trouble. He is sensitive to the fact that Mitch has lost his daughter and he wasn't there for him at that point.
"He hopes that Mitch doesn't react a certain way but he does and he doesn't blame him. Even though the brothers have had problems in the past, Mitch is still his brother. They have always overcome their differences even though Mitch is fighting against it. Avery still keeps at him hoping that he will break down those barriers at some point."
EastEnders airs these scenes on Tuesday, July 5 and Thursday, July 7 on BBC2. All of next week's episodes will be available to watch early from Monday, July 4 at 6am on BBC iPlayer.
Read more EastEnders spoilers on our dedicated homepage
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