Spawing a pawn after a selection screen not before

hello everybody

i have created a selector team screen when the game start (where you have to choosee between two team defined by the map) you just have to click on the select button for have the correct team assigned

but unfortunaly for now i have the characters pawn who pawn at the start of the begin play
(so imagine having the select team screen and be able in font to move a characters … uselless^^)

if you have any idea of how to avoid that
will be pleased to have helps
thanks