Yank, Yankee Clipper, Yankee Eagle, Yankee Boy, Yankee Girl, Yellowjacket, Yelena Belova (Black Widow 2), Young Avenger.
Yellow claw
Avengers Aquaman Aquagirl Atomic Betty
Hulk
Some four letter words beginning with Y are:yardyarnyawnyearyellyelpyokeyolkyouryurt
There are no countries in Africa beginning with Y. Yemen is the only country beginning with Y. However Yemen is in Asia.
· Yarrow
Indiana Jones. not really a superhero. Maybe the incredibles?
yttrium...its an element
yuki or yuriy
Yeovil, York
yummy
yearning