Blizzard has finally released more about Overwatch's next hero, Echo. Echo was revealed to the fans of the Overwatch back in November of 2018 in Mcree's animated short "Reunion". Echo's ultimate allows her to can copy the abilities of her targets. This also means she can copy their ultimate which charges up much faster then then the target who's ultimate it is.
You can learn about her abilites and gameplan in the video below.
Echo's lore states that she is an an adaptive, versatile artificial intelligence able to modify its behaviors, reconfigure on the fly, and learn from those around her. Echo was created by Doctor Mina Lao who created Echo with the intent of helping Overwatch overcome their Omnic adversaries.
After the death of Mina Lao, Echo was hidden away by the Overwatch. In an attempt to transfer her to a secret goverment location years later, The convoy transporting Echo was attacked and was rescused by MaCree.
With Blizzard working on Overwatch 2, Echo might be the last hero we receive before we get any more heroes. You can learn more about Echo's lore here.