Jeremy Renner estranged wife threatened to release intimate videos of him if he ever went back on his promise to help her get a green card ... this according to legal docs Jeremy just filed. 

Renner is in the middle of a bitter child custody fight over their nearly 2-year-old daughter Ava. Sonni Pacheco's gunning for primary custody of their child and wants more than $13K a month in child support.

Read more: http://www.tmz.com/2015/03/25/jeremy-renner-divorce-wife-extorted-videos-green-card-child-custody/#ixzz3VQA0RGjM