Here is an assortment of different UE4 Mannequin animations I have made for various projects.
Crouch walk sneaking preViz
Crouch walk loop
Reloading
3rd person action adventure preViz
Based on Karate Ippon
First person combat previs
Explosion. This is a study of a stunt person fall
Howdy
wAVE animation pack
Wingsuit Project