Firstly, the trailer's setting seems to drop a big clue about when and where
Marvel's Wolverine is set. Logan is drinking in the Princess Bar, located in Madripoor (which you may recognize from
The Falcon and the Winter Soldier), which we see from the bar sign and the Madripoor tourist poster.
In Marvel Comics Presents Volume 1 #1 (1988), Wolverine visits the Princess Bar while hunting down a crime lord called Roche. After wiping the bar floor with Roche's enforcers - who are trying to get protection money off the bar's owner O'Donnell - Wolverine becomes a regular of the bar, under the name "Patch", and even co-owned it for a time. The bar was essentially Logan's home away from home during a period when the X-Men were inactive. Is Insomniac Games hinting that this is the time period
Marvel's Wolverine is set to take place? Will we see Logan taking on the criminal underworld?
Another possible Easter egg is the Radio Lowtown 104.8 poster. Lowtown is a district in Madipoor, so Madipoor as a setting seems pretty likely. But the 104.8 seems to reference Marvel Earth-1048, the universe in which
Marvel’s Spider-Man is set. This seems to suggest that Insomniac's Spider-Man games and Wolverine take place in the same universe, meaning we could see a Marvel game universe in the making.
But the radio station isn't the only number that appears to reference a specific comic book. The license plate on the bar reads "HLK 181", which seems to reference The Incredible Hulk #18 - in which Wolverine makes an appearance. Does that mean we could see Hulk in
Marvel's Wolverine? Again, we certainly hope so.