No... It's far too dangerous. [And when someone from the Scouting Legion says "dangerous" they mean "impossible".] We know nothing of our location or surroundings still. The sudden appearance of Titans would certainly end in disaster.

[Armin flexes his hand, looking at it absently.]

And even then, alone, he has no reason to tell us anything. As much as I'd like to see him dead, harvesting information comes first.