D.va Egg Classic
Try D.va Egg 2!
This is no longer in active development, its successor is D.va Egg 2, located at the link above. This version will still be patched with fixes whenever necessary.
This is a branch of D.va Egg Classic v3.3.3 which itself was a branch of D.va Mystery Egg v3.3.0.
Random heroes will pop out of D.va's mech when it is destroyed! You can use the ULT key to damage your own mech and de-mech yourself early. Your mech will recharge, as indicated by the meter on the left. Once it hits 100, you can press your INTERACT key to re-enter your mech. If you don't do this within 15 seconds of becoming fully charged, you will start to burn. The timer for this is located on the right side.
I will be updating this more after Workshop editing becomes fully supported.