Now for the SPOILER details... Do not read beyond this point of you don't want to know. YOU HAVE BEEN WARNED!!
Apparently, a cameo in the movie has been confirmed in the form of another hero making an appearance... and that is none other than Jeremy Renner playing the part of the archer avenger himself, Hawkeye! It's a quick scene described via Slash Film, so if you wanna know more, check out the details there!
Thor drops his mighty hammer in theaters this April 29 at international theaters!