Gamereactor checked out Middle-earth: Shadow of War:

Middle-earth: Shadow of War Hands-on

Everyone will walk the same path in this sequel to Shadow of Mordor, but it's the Nemesis system that makes each playthrough unique.

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During a recent tour of preview events hosted by Warner Bros., we were given two separate opportunities to play through a siege mission similar to one previously seen in the first gameplay trailer for Middle-earth: Shadow of War (see above). With our own army ready for battle, we stormed the well-protected fortress of an orcish overlord, our goal being to wrestle control of the base from him as part of our ongoing war with Sauron.

We initiated the siege mission by approaching a marker in the game's open world. This part of returning hero Talion's adventure was roughly half way through the game (which apparently means that it equates to around 15 hours of play time). Before the actual battle takes place we took a closer look at the two rival armies and what they each have to offer. Each base has an overlord, and below him there are several warchiefs, and all of them are part of a tribe which in turn influences the appearance and fortifications of the castle. For example, we were up against a menacing enemy force that had tortured orc bodies strung up on the battlements for a grizzly visual effect.

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Thanks Farflame!