1943: Logan joins the Howling Commandos and works on defeating German forces
1944: Logan is seen fighting alongside Captain America and dons an attire with large ears. Hard to tell what it really looks like. Note that in the photograph, he seems to have “claws”. Unsure if they’re part of the attire or it’s something else.
Tokyo, 1996: After the discovery of Captain Marvel, SHIELD starting searching for’ potential recruits for the Avengers program. It was discovered that Logan was still somehow alive and young - this prompted SHIELD to start keeping track of Logan.
Last known location:
Antarctica, 2008: Bruce Banner attempts to commit suicide in Antarctica, when The Hulk intervenes. Hulk crosses paths with Logan, and a battle ensues. SHIELD agents were unable to find any of the two after the fight ended.