Worg vs Golem = dead Worg at 100% of the cases (also if lvl4-5!)
Using two Cross may be indeed useful against the Golem (maybe a bit too slow), but I'm having problems to imagine their efficiency against other companies since the Worg will remain your only melee unit and his veeeery easy to hurt/kill. I'll try this composition this weekend and I'll tell you if it may work or not!
At the moment I'm trying to use the Worg with his offensive build (I'll try the defensive one when the dev will finally implement a way to reset the abilities), so Worg lvl 4 ability to add an additional pursue can allow you to kill 3 enemy units per turn so it is very useful (also usually is very difficult for him to survive more than a couple of turns when he's near the enemy units, so 1-2 additional kills can turn the game around)
The lvl3 Worg + 3 Fang lvl1 is not a very difficult comp to defeat (if you're Lion or Ram, against other Wolfen that are mainly melee is very effective), just focus everything on the Worg and it will go down fast, then pass to kill the Fangs. In fact, all the top 10 Wolfen players last week had more or less the same number of won/lost matches, not like the Acheron ones which had a ratio of like 20/1...
PS: avoid the PoB, at the moment he's overpriced for what he can do